3com 3CRUSBN175 Manual De Usuario

This section describes some problems that you may encounter 
during installation and some suggested solutions.

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 
page 11.