3Com 3CRUSBN175 Quick Installation Manual - page 15
Troubleshooting Installation
15
Troubleshooting Installation
This section describes some problems that you may encounter
during installation and some suggested solutions.
Problem
Possible Solution
Installation program
does not finish or the
driver fails to load
Use the Device Manager to resolve resource
conflicts that may exist. To start the Device
Manager, go to the
Control Panel
, double-click
System
, and then click the
Device Manager
tab.
■
If the hardware item for the USB Adapter
under
Network adapters
has a yellow
exclamation point, right-click the item, and
then click
Update Driver
. Follow the
instructions on the Hardware Update Wizard
to update the USB Adapter driver.
■
If the hardware item for the USB Adapter does
not appear under
Network adapters
, repeat
the setup procedure.
Windows shows the
USB Adapter as an
unknown device
■
Verify that the USB Adapter is properly
connected to the USB connector.
■
If Windows still does not recognize it, use the
Device Manager to remove the unknown
device, and then repeat the setup procedure.
Power/Activity LED is
off
■
Verify that the USB Adapter is properly
connected to the USB connector.
■
Verify that the driver was installed successfully
by checking the status of the device on the
Device Manager. See “What to Do Next” on