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Packard Bell oneTwo L5850 Service Manual

Summary of oneTwo L5850

  • Page 1

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 all-in-one computer service guide printed in taiwan service guide files and updates are available on the acer/csd web site; for more information, go to http://csd.Acer.Com.Tw.

  • Page 2

    Ii packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide revision history refer to the table below for changes made on this version of the packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 all-in-one computer service guide. Date chapter updates.

  • Page 3

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide iii copyright copyright © 2010 by acer incorporated. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or com...

  • Page 4

    Iv packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide conventions the following textual conventions are used in this service guide. Screen messages denotes actual messages that appear on screen. Note gives additional information related to the current topic. Warning...

  • Page 5

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide v service guide coverage this service guide provides you with all technical information relating to the basic configuration decided for our "global" product offering. To better fit local market requirements and enha...

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    Vi packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide.

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    Vii packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide chapter 1 – features and specifications 1 system features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 physical specifications . . . . . . . . . . ...

  • Page 8

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide viii removing the power button assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48 removing the lcd assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49...

  • Page 9

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 1 this chapter lists the features and specifications of the packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 aio computer. System features note the items listed in this section are for referenc...

  • Page 10

    2 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide physical specifications connectivity • wired lan: onboard 10/100/1000 ethernet support • wlan option: mini card wireless network adapter (802.11 b/g/n) • wpan option: bluetooth ® 2.1+edr (enhanced data rate) • int...

  • Page 11

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 3 system tour the pictures and tables in this section illustrate the physical outlook of the computer. Front view item icon component 1 integrated webcam 2 display screen 3 speakers 4 power button/indicator • blue –...

  • Page 12

    4 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide left view item icon component item icon component 1 optical disc drive (odd) 8 usb ports 2 i/o cable cover 9 monitor port 3 9-in-1 card reader 10 hdmi port 4 line-in jack 11 ps/2 mouse port 5 line-out jack 12 ps/2...

  • Page 13

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 5 right view item icon component 1 microphone jack 2 line-out jack 3 usb ports.

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    6 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide rear view item icon component 1 ventilation slots 2 mounting holes for wall mount option 3 computer stand.

  • Page 15

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 7 hardware specifications processor chipsets bios memory item specification intel ® core™ intel ® pentium ® model i3-540 i3-550 i5-650 i5-660 i5-670 g6950 clock speed 3.06 ghz 3.2 ghz 3.2 ghz 3.33 ghz 3.46 ghz 2.8 g...

  • Page 16

    8 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide hard disk drive optical disc drive ethernet item specification controller integrated in the intel h57 express chipset form factor 3.5-inch 9.5 mm interface sata 2.0 supported capacities 320 gb • seagate pharaoh (7...

  • Page 17

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 9 wireless lan bluetooth audio webcam item specification model • 802.11 b/g – foxconn t77h121.01 atheros ar9285 (hb95) • 802.11 b/g/n – lite-on atheros ar9283 hb93 2x2 bgn wn6602ah – lite-on b853gq400g atheros ar928...

  • Page 18

    10 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide lcd panel power supply unit item specification model zx4950 and zx4951 zx6950 and zx6951 screen size (diagonal, inch) 21.5-inch 23-inch type wide xga resolution 1920 × 1080 backlight ccfl interface lvds brightnes...

  • Page 19

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 11 cmos setup utility cmos setup utility is a hardware configuration program built into the system rom. Since most systems are already properly configured and optimized, there is normally no need to run this utility...

  • Page 20

    12 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide accessing the setup utility 1. Turn on the computer. If the computer is already turned on, save your data and close all open applications, then restart the computer. 2. During post, press delete. If you fail to p...

  • Page 21

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 13 navigating through the setup utility use the keys listed in the legend bar on the bottom of the setup screen to work your way through the various menu and submenu screens of the setup utility. The table below lis...

  • Page 22

    14 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide product information . Field description processor type type of processor installed on the system processor speed speed of the processor installed on the system system memory size of system memory detected during ...

  • Page 23

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 15 standard cmos features field description value system date sets the system date. Mm/dd/yyyy (month/day/year) system time sets the system time. Hh:mm:ss (hour:minute:second) ahci port 1–4 your computer supports fo...

  • Page 24

    16 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide advanced bios features field description value quick boot when enabled, the system starts up more quickly be elimination some of the post routines. Enabled disabled quiet boot when enabled, bios will show a full ...

  • Page 25

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 17 advanced chipset features field description value amd cool ’n’ quiet select whether to enable the amd cool 'n' quiet technology. This technology allows a compliant os to dynamically adjust the system voltage and ...

  • Page 26

    18 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide integrated peripherals field description value onboard sata controller enables or disables the onboard sata controller. Enabled disabled onboard sata mode set the operating mode for the onboard sata controller. N...

  • Page 27

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 19 power management setup field description value acpi suspend mode use this item to define how your system suspends. Default value is s3 (str), the suspend mode is suspend to ram, i.E., the system shuts down with t...

  • Page 28

    20 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide pc health status field description value cpu temperature system temperature cpu fan speed system fan speed cpu core +1.1v +3.30v +5.00v +12.0v 5vsb vbat these items lets you monitor the parameters for critical vo...

  • Page 29

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 21 frequency/voltage control field description value enable clock to all dimm/pci when enabled, clock signals will be sent to the pci and memory slots regardless of whether the slot is occupied or not. Enabled disab...

  • Page 30

    22 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide bios security features note the following before you define a system password: • the maximum length of password contains 8 alphanumeric characters. The following keys are valid: – a-z, a-z (case-insensitive) – 0-...

  • Page 31

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 23 to set a system password: 1. Select change supervisor password or change user password, then press enter. The password box appears. 2. Type a password then press enter. 3. Retype the password to verify the first ...

  • Page 32

    24 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide load default settings execute this menu to load the factory-default settings for all setup parameters. Keyboard shortcut: f9 perform the steps below to load the system default settings: 1. Select load default set...

  • Page 33

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 25 this chapter provides step-by-step instructions on how to disassemble the computer for maintenance and troubleshooting purposes. Disassembly tools in performing the disassembly process, you will need the followin...

  • Page 34

    26 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide disassembly procedures removing the computer stand 1. Perform the “pre-disassembly procedure” on page 25. 2. Use a flat screwdriver to pry off the plastic shell covering the computer stand screws. 3. Remove the s...

  • Page 35

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 27 removing the i/o cable cover 1. Use a flat screwdriver to pry off the i/o cable cover. 2. Remove the i/o cable cover removing the rubber feet 1. Perform the “pre-disassembly procedure” on page 25. 2. Use a flat s...

  • Page 36

    28 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide removing the rear cover 1. Remove the computer stand by following the procedure described on page 26. 2. Remove the i/o cable cover and the rubber feet by following the procedures described on page 27. 3. Use a f...

  • Page 37

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 29 3. Push the latch to disengage the i/o cable plate from the main chassis. 4. Remove the i/o cable plate (a), then pull out the hdmi cable through the plate opening (b). Removing the optical disc drive 1. Remove t...

  • Page 38

    30 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 3. Slide the odd outward, then disconnect the odd sata cable from the drive. 4. Remove the odd from the main chassis. 5. Remove the screw securing the odd bracket. Quantity color torque part number 1 silver 1.3–1...

  • Page 39

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 31 6. Detach the odd bezel from the module. Removing the scaler board 1. Remove the rear cover by following the procedure described on page 28. 2. Remove the screw securing the scaler board cover. 3. Slide the scale...

  • Page 40

    32 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 4. Disconnect all the cables from the scaler board. 5. Remove the screws securing the scaler board. Quantity color torque part number 4 black 4.0 kgf-cm 86.00b75.240

  • Page 41

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 33 6. Remove the scaler board. Removing the usb/audio board 1. Remove the rear cover by following the procedure described on page 28. 2. Remove the screw securing the usb/audio board cover. A circuit board that is >...

  • Page 42

    34 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 3. Slide the usb/audio board cover outward to disengage the cover tabs from the main chassis, then remove the usb/audio board cover. 4. Disconnect the two cables from the usb/audio board. 5. Remove the screws sec...

  • Page 43

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 35 6. Slide the usb/audio board out of its tabs. Removing the wall mount plate 1. Remove the rear cover by following the procedure described on page 28. 2. Remove the screws securing the wall mount plate. A circuit ...

  • Page 44

    36 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 3. Slide the wall mount plate towards the hdd area to disengage the plate tabs from the main chassis, then remove the wall mount plate. Removing the hard disk drive 1. Remove the wall mount plate by following the...

  • Page 45

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 37 4. Disconnect the power and sata cables from the hard drive. 5. Slide the hdd assembly outward to disengage the assembly from the main chassis, then remove the hdd assembly. 6. Disconnect the hdd sata cable from ...

  • Page 46

    38 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 7. Remove the screws securing the hard drive to its cage. 8. Use a small metal screwdriver to push the hard drive out of its cage (a), then pull out the drive out (b). Removing the inverter board 1. Remove the wa...

  • Page 47

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 39 4. Remove the screws securing the inverter board. 5. Remove the inverter board. Quantity color torque part number 3 black 4.0 kgf-cm 86.00b75.240 a circuit board that is >10 cm 2 has been highlighted with a yello...

  • Page 48

    40 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide removing the heat sink fan (hsf) assembly 1. Remove the wall mount plate by following the procedure described on page 35. 2. Disconnect the hsf cable from its mainboard connector. 3. Loosen the hsf's spring-loade...

  • Page 49

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 41 removing the processor 1. Remove the hsf assembly by following the procedure described on the previous section. 2. Disengage the load lever from its latch (a), then rotate the load lever to the open position (b)....

  • Page 50

    42 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide removing the memory modules 1. Remove the wall mount plate by following the procedure described on page 35. 2. Open the holding clips securing the memory modules (a), then remove the memory modules from the dimm ...

  • Page 51

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 43 6. Disconnect the 4-pin and 20-pin atx power cables from their mainboard connectors. A. Press the top portion of the cable’s retaining latch b. Pull the cable straight up from its connector. 7. Remove the screws ...

  • Page 52

    44 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 8. Remove the mainboard. Removing the power supply unit 1. Disconnect the scalar board power cable by performing steps 1–4 of the scalar board removal procedure on page 31. 2. Disconnect the hard drive power cabl...

  • Page 53

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 45 5. Remove the screws securing the psu bracket. 6. Detach the psu bracket from the power supply unit. 7. Remove power supply unit from the front bezel and lay it down beside the system. Some psu connector cables a...

  • Page 54

    46 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide removing the touchscreen control board 1. Remove the psu by following the procedure described on page 44. 2. Detach the black tape from the touchscreen control board cables. 3. Push the tabs securing the touchscr...

  • Page 55

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 47 5. Disconnect all cables from the touchscreen control board. Removing the bluetooth module 1. Remove the psu by following the procedure described on page 44. 2. Push the tabs securing the bluetooth module. 3. Rem...

  • Page 56

    48 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 4. Disconnect the bluetooth cable from the module. Removing the power button assembly 1. Remove the psu by following the procedure described on page 44. 2. Push the tabs securing the power button assembly. 3. Rem...

  • Page 57

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 49 removing the lcd assembly 1. Remove the i/o cable plate by following the procedure described on page 28. 2. Remove the optical drive by following the procedure described on page 29. 3. Remove the scaler board by ...

  • Page 58

    50 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 10. Disconnect the capacitive led board cable. 11. Disconnect the webcam cable. 12. Remove the screws securing the main chassis. Quantity color torque part number 5 black 4.0 kgf-cm 86.3ar26.8r0

  • Page 59

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 51 13. Push back the plastic snaps securing the lcd assembly to the front bezel. 14. Detach the lcd assembly from the front bezel. Removing the main chassis 1. Remove the lcd assembly by following the procedure desc...

  • Page 60

    52 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 3. Remove the main chassis from the lcd module and lay it down beside the lcd module. 4. Release the inverter cables from the main chassis. 5. Remove the tapes securing the system cables, then release the cables ...

  • Page 61

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 53 removing the lcd cable 1. Remove the main chassis by following the procedure described on page 51. 2. Remove the tapes securing the lcd cable. 3. Press the two sides of the lcd cable connector then pull to discon...

  • Page 62

    54 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide removing the webcam module 1. Remove the lcd assembly by following the procedure described on page 49. 2. Push the tabs securing the webcam module. 3. Push the tabs securing the webcam module, then remove the mod...

  • Page 63

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 55 3. Pry the capacitive led board from the front bezel. Removing the light bars 1. Remove the lcd assembly by following the procedure described on page 49. 2. Push the tabs securing both ends of the two light bars....

  • Page 64

    56 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide.

  • Page 65

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 57 this chapter lists the post error indicators and bios beep codes, as well general troubleshooting instructions. Hardware diagnostic procedure 1. Obtain as much detail as possible about the symptoms of the system ...

  • Page 66

    58 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide system internal inspection 1. Turn off the power to the computer and all peripherals. 2. Unplug the power cord from the computer. 3. Unplug the network cable and all connected peripheral devices from the computer...

  • Page 67

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 59 boot block recovery code checkpoints the boot block recovery code gets control when the bios determines that a bios recovery is required because the user has forced the update or the bios checksum is corrupt. Ref...

  • Page 68

    60 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide post code checkpoints the post code checkpoints are the largest set of checkpoints during the bios preboot process. The following table describes the type of checkpoints that may occur during the post portion of ...

  • Page 69

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 61 checkpoint description 3c mid post initialization of chipset registers. 40 detect different devices (parallel ports, serial ports, and coprocessor in cpu, ... Etc.) successfully installed in the system and update...

  • Page 70

    62 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide dim code checkpoints the device initialization manager (dim) gets control at various times during bios post to initialize different system busses. The following table describes the main checkpoints where the dim ...

  • Page 71

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 63 memory boot message description gate20 error the bios is unable to properly control the mainboard’s gate a20 function, which controls access of memory over 1 mb. This may indicate a problem with the mainboard. Mu...

  • Page 72

    64 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide storage device message description primary master hard disk error the ide/atapi device configured as primary master could not be properly initialized by the bios. This message is typically displayed when the bios...

  • Page 73

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 65 3rd slave drive - atapi incompatible the ide/atapi device configured as slave in the 3rd ide controller failed an atapi compatibility test. This message is typically displayed when the bios is trying to detect an...

  • Page 74

    66 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide virus-related system configuration message description bootsector write!! The bios has detected software attempting to write to a drive’s boot sector. This is flagged as possible virus activity. This message will...

  • Page 75

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 67 cmos miscellaneous message displayed description cmos date/time not set the cmos date and/or time are invalid. This error can be resolved by readjusting the system time in amibios setup. Cmos battery low cmos bat...

  • Page 76

    68 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide index of symptom-to-fru error messages to use the information in this section to diagnose a problem: 1. Find the error symptom in the left column. 2. If directed to a check procedure, replace the fru indicated in...

  • Page 77

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 69 hard disk drive-related symptoms symptom/error action/fru hard disk drive test failed. • enter cmos setup and load the default settings. • hard disk drive cable • hard disk drive • mainboard hard disk drive canno...

  • Page 78

    70 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide real-time clock-related symptoms symptom/error action/fru real-time clock is inaccurate. • ensure the information in the standard cmos feature of bios setup is set correctly. • rtc battery • mainboard audio-relat...

  • Page 79

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 71 printer-related symptoms symptom/error action/fru printing failed. • ensure the printer driver is properly installed. Refer to the printer service manual. • printer • printer cable • mainboard. Printer problems. ...

  • Page 80

    72 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide beep codes when no error message is displayed but the computer stops during post, listen for beep codes. Undetermined problems follow the procedures below to isolate the failing fru. Do not isolate non-defective ...

  • Page 81

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 73 bios recovery when you boot up the computer and you hear one long beep, followed by a shorter one, the system bios is damaged. This maybe cause by an interruption during a bios flash procedure (e.G. A power outag...

  • Page 82

    74 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide clearing cmos you may need to clear the setup configuration values (cmos) if the configuration has been corrupted, or if incorrect settings made in the setup utility caused error messages to be unreadable. This p...

  • Page 83: System Block Diagram

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 75 this chapter shows the block diagram and board layout of the packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 computer. Procedure for using the g116 hardware gap to clear the bios password i...

  • Page 84

    76 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide mainboard layout this section shows the major mainboard components. Item code component 1 front_panel1 front panel cable connector 2 clr_cmos clear cmos jumper 3 pci-e1-x16 pci express x16 expansion slot (reserve...

  • Page 85

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 77 18 dimm2 ddr3 slot 2 19 dimm3 ddr3 slot 3 20 dimm1 ddr3 slot 1 21 pwr1 24-pin atx power connector 22 buz1 internal buzzer 23 f_usb4 card reader function connector 24 f_usb2 card reader function connector 25 f_usb...

  • Page 86

    78 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide.

  • Page 87

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 79 this chapter gives you the fru (field replaceable unit) listing of the packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 computer global configurations. Refer to this list when ordering for r...

  • Page 88

    80 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide exploded diagram no. Component no. Component 1 speaker mesh plate 10 computer stand 2 front bezel 11 computer stand shells 3 front bezel frame 12 inverter board cover 4 webcam module 13 usb/audio board cover 5 ma...

  • Page 89

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 81 fru list system model: acer_zx4951_ggallagher (no: 91.3cm01.009g) category part name part number boards mainboard mainboard zx6950/zx6951/zx4950 w/rtc battery w/o ddriii dimm & cpu & memory mb.Gb409.001 inverter ...

  • Page 90

    82 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide category part name part number processor cpu clarkdale g6950 2.8g 3m 1066fsb 73w kc.69501.Dem cpu intel clarkdale core i3-550 3.20g 4m 1333 73w kc.55001.Ci3 cpu intel core i3-540 lga 3.06g 4m 1333fsb 1156 73w cla...

  • Page 91

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 83 category part name part number hard drive (continuation) hdd 3.5" 500gb 7200rpm sata wd xl320m wd5000aaks- 22m9a0 kh.50008.014 hdd 640gb 3.5" 7200rpm hgst hdt721064sla360 saturn sata kh.64001.002 hdd 640gb 3.5" 7...

  • Page 92

    84 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide category part name part number cables hdd sata cable hdd sata cable 50.Sas01.001 hdd sata cable 15pin 50.3cm12.001 hdd sata cable 15pin 50.3cm30.001 odd sata cable odd cable sata 7+6pin 50.3cm13.001 odd cable sat...

  • Page 93

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 85 category part name part number keyboard keyboard rf2.4 104key chicony kg-08333rd2995v black traditional chinese kb.Rf403.184 keyboard rf2.4 104key chicony kg-08333re2995v black simplified chinese kb.Rf403.244 key...

  • Page 94

    86 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide category part name part number screws screw i no6-32 l5 bzn 86.00j07.B60 screw no4-40 l6.5 pan ni 86.00n03.B40 screw pan #6-32 l6 ni boxer wzs 86.00j44.C60 accessoriess remote control remote control philips rc260...

  • Page 95

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 87 wire holder hldr wire holder pg tbd assembly hinge module foot stand assy hinge module pg tbd assembly lcd module 21.5" wfhd none glare samsung w/touch panel&contral board& glue assy lcd 21.5" auo w/tp&bd tbd glu...

  • Page 96

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 88 this chapter provides features summary for each of the packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 computer model configurations. Model definitions and configurations appendix a.

  • Page 97

    89 packard bell o net w o m3 850 / o net wo m3 851 / o net wo l58 50 / on et wo l 5851 se rvi c e gui d e packard bell onetwo m3851 / onetwo l5851 model configuration common features • project name: ggallagher • mainboard: pagassi_aio fih57mk_1394(n)_logo(n)_eup(y) • dimm1: u2gbiii13 • card reader: ...

  • Page 98

    Packard bell o net w o m3 850 / o net wo m3 851 / o net wo l58 50 / on et wo l 5851 se rvi c e gui d e 9 0 otl5851 pw.U5ke2 .015 otl5851 ch emea001 w7hp64rup ru4407/ci5- 650/2g*3/ 1000g*1/ nsm8xs/b23/ gt320/802.11 b/g/n/kb/ rf2.4/ 0420_pb hx093i paio1023 ci5-650 u2gbii i13 u2gbii i13 n d1000gb 5.4ks...

  • Page 99

    91 packard bell o net w o m3 850 / o net wo m3 851 / o net wo l58 50 / on et wo l 5851 se rvi c e gui d e otl5851 pw.U5ke2 .041 otl5851 ch emea001 w7hp64pnl8 606/ci5-650/ 2g*3/1000g*1/ nbdcb4xs/ b23/gt320/ h753-d kit/ 802.11 b/g/n/ emea win7 wmc/kb/ rf2.4/ 0420_pb hx093i paio1023 ci5-650 u2gbii i13 ...

  • Page 100

    Packard bell o net w o m3 850 / o net wo m3 851 / o net wo l58 50 / on et wo l 5851 se rvi c e gui d e 9 2 otl5851 pw.U5ke2 .065 otl5851 ch emea001 w7hp64pbea 703/ci3-530/ 2g*2+1g*1/ 1000g*1/ nsm8xs/b23/ gt320/h753-d kit/802.11 b/g/ n/emea win7 wmc/kb/ rf2.4/ 0420_pb hx093i paio1023 ci3-530 u2gbii i...

  • Page 101

    93 packard bell o net w o m3 850 / o net wo m3 851 / o net wo l58 50 / on et wo l 5851 se rvi c e gui d e otm3851 pw.U5me 2.011 otm3851 ch emea001 w7hp64pfr0 206/ pdcg6950/ 2g*2/500g*1/ nsm8xs/ d21.5h/h753- d kit/802.11 b/ g/n/emea win7 wmc/ kb/mouse hx093j paio1021 pdcg6 950 u2gbii i13 n n d500gb7 ...

  • Page 102

    Packard bell o net w o m3 850 / o net wo m3 851 / o net wo l58 50 / on et wo l 5851 se rvi c e gui d e 9 4 otm3851 pw.U5me 2.062 otm3851 ch emea001 w7hp64pes0 407/ci3-540/ 2g*2/1000g*1/ nsm8xs/ d21.5h/315/ h753-d kit/ 802.11 b/g/n/ bluetooth/ emea win7 wmc/kb/ rf2.4/ 0420_pb hx093j paio1021 ci3-540 ...

  • Page 103

    95 packard bell o net w o m3 850 / o net wo m3 851 / o net wo l58 50 / on et wo l 5851 se rvi c e gui d e otm3851 pw.U5me 2.151 otm3851 ch emea001 w7hp64pit06 06/ci3-540/ 2g*2/640g*1/ nsm8xs/ d21.5h/h753- d kit/802.11 b/ g/n/emea win7 wmc/ kb/rf2.4/ 0420_pb hx093j paio1021 ci3-540 u2gbii i13 n n d64...

  • Page 104

    Packard bell o net w o m3 850 / o net wo m3 851 / o net wo l58 50 / on et wo l 5851 se rvi c e gui d e 9 6 otm3851 pw.U5me 2.171 otm3851 ch emea001 w7hp64pnl8 606/ pdcg6950/ 2g*2/640g*1/ nsm8xs/ d21.5h/802.11 b/g/n/kb/ rf2.4/ 0420_pb hx093j paio1021 pdcg6 950 u2gbii i13 n n d640gb7 .2ks nsm8xs d21.5...

  • Page 105

    97 packard bell o net w o m3 850 / o net wo m3 851 / o net wo l58 50 / on et wo l 5851 se rvi c e gui d e.

  • Page 106

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 98 this computer’s compatibility is tested and verified by acer’s internal testing department. All of its system functions are tested for both the home basic and home premium editions of microsoft’s windows vista op...

  • Page 107

    99 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide item device name vendor usb flash drive transcend jetflash usb 2.0 flash drive v85 8 gb memory key transcend apacer ah421 8 gb apacer a-data pd16 vista 16 gb a-data transcend jetflash usb 2.0 flash drive v10 16 g...

  • Page 108

    Packard bell o net w o m3 850 / o net wo m3 851 / o net wo l58 50 / on et wo l 5851 se rvi c e gui d e 1 00 approved vendor list (avl) component vendor description model part number mainboard kit foxconn mb kit otl5850;otl5850;otm3850;otm3851 intel h57 realtek 8111e w/o 1394 lf for dtx aio pagassi_a...

  • Page 109

    101 packard bell o net w o m3 850 / o net wo m3 851 / o net wo l58 50 / on et wo l 5851 se rvi c e gui d e hard drive hgst 7200rpm 320gb hdt721032sla380 saturn kh.32007.006 7200rpm 640gb hdt721064sla360 saturn kh.64007.001 7200rpm 1000gb hdt721010sla360 saturn kh.01k07.002 wd 7200rpm 320gb wd3200aaj...

  • Page 110

    Packard bell o net w o m3 850 / o net wo m3 851 / o net wo l58 50 / on et wo l 5851 se rvi c e gui d e 1 02 graphics card pcp nv gt320 1gb sddr3 dvi+hdmi lp (samsung) vg.Pcpt3.211 nv gt320 1gb ddr3 dvi+hdmi lp (hynix 1.2ns) vg.Pcpt3.213 hd5570 1gb ddr 3 (128bits) samsung dvi hdmi w/lp bkt rohs vg.Ap...

  • Page 111

    103 packard bell o net w o m3 850 / o net wo m3 851 / o net wo l58 50 / on et wo l 5851 se rvi c e gui d e lcd panel auo ccfl lcd auo 21.5"w fhd none glare m215hw01 v0 0g lf 300nit 5ms 1000:1 m215hw01 v0 rev.0g lk.21505.011 ccfl lcd auo 21.5"w fhd none glare m215hw01 v0 0h lf 300nit 5ms 1000:1 m215h...

  • Page 112

    Packard bell o net w o m3 850 / o net wo m3 851 / o net wo l58 50 / on et wo l 5851 se rvi c e gui d e 1 04 usb keyboard chicony keyboard chicony ku-0420 usb 105ks black us international kb.Usb03.247 keyboard chicony ku-0420 usb 105ks black spanish kb.Usb03.248 keyboard chicony ku-0420 usb 105ks bla...

  • Page 113

    105 packard bell o net w o m3 850 / o net wo m3 851 / o net wo l58 50 / on et wo l 5851 se rvi c e gui d e rf keyboard chicony keyboard chicony wug0570 rf2.4 105ks black us international with pb logo kb.Rf403.186 keyboard chicony wug0570 rf2.4 105ks black spanish with pb logo kb.Rf403.187 keyboard c...

  • Page 114

    Packard bell o net w o m3 850 / o net wo m3 851 / o net wo l58 50 / on et wo l 5851 se rvi c e gui d e 1 06 keyboard chicony wug0570 rf2.4 105ks black greek with pb logo kb.Rf403.202 keyboard chicony wug0570 rf2.4 105ks black danish with pb logo kb.Rf403.203 keyboard chicony wug0570 rf2.4 105ks blac...

  • Page 115

    Packard bell o net w o m3 850 / o net wo m3 851 / o net wo l58 50 / on et wo l 5851 se rvi c e gui d e 1 07.

  • Page 116

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 108 this section describes online technical support services available to help you repair your acer products. If you are a distributor, dealer, asp or tpm, please refer your technical queries to your local acer bran...

  • Page 117

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 109 a ac power jack 4 acpi, see advanced configuration power interface 2 advanced bios features menu 16 advanced chipset features menu 17 advanced configuration power interface specifications 2 wake-up options 19 an...

  • Page 118

    110 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide tools 25 touchscreen control board 46 usb/audio board 33 wall mount plate 35 webcam module 54 display display by model 1 remove lcd assembly 49 remove lcd cable 53 remove lcd panel bracket 53 e ethernet port loc...

  • Page 119

    Packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide 111 modem board troubleshooting 70 monitor port 4 mouse part number 85 o odd bezel, remove 31 odd, see optical disc drive 1 online support information 108 operating system 2 optical disc drive bracket, remove 30 con...

  • Page 120

    112 packard bell onetwo m3850 / onetwo m3851 / onetwo l5850 / onetwo l5851 service guide specifications antivirus 2 audio 9 bluetooth 9 display 9, 10 ethernet controller 8 hard disk drive 8 memory 7 optical disc drive 8 power supply unit 10 processor 7 system bios 7 system chipsets 7 webcam 9 wlan c...