3com 3CRPCIG75 Manuel D’Utilisation

To obtain telephone support as part of your warranty and other 
service benefits, you must first register your product at:

3Com offers telephone, e-mail and Internet access to technical 
support and repair services for registered products. To access 
these services for your region, use the appropriate telephone 
number, URL, or e-mail address from the following URL: 

Windows shows the 
PCI Adapter as an 
unknown device

■

Verify that the PCI Adapter is inserted 
properly into the PCI slot.

■

If the PCI Adapter is inserted properly into 
the slot and 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 PCI Adapter is inserted 
properly into the PCI slot.

■

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 10.

Table 1   Installation Issues and Possible Solutions