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66 CHAPTER 6: TROUBLESHOOTING AND DIAGNOSTICS
Frequently Asked Questions
Table 10 describes some common questions and answers
about the 3C905C NIC.
For additional information about the NIC, see the text files
located in the HELP directory on EtherDisk diskette 3 or go
to the following 3Com World Wide Web site:
http://knowledgebase.3com.com/
Table 10 Frequently Asked Questions
Question Answer
In Windows 95/98,
what if a yellow
exclamation point (!)
appears next to the
NIC name in the
Device Manager?
1 In the Device Manager, double-click Other Devices.
2 Click PCI Ethernet Controller or the duplicate NIC entry.
3 Click Remove.
4 Reboot your PC.
In Windows 95/98,
what if a red X appears
next to the NIC name
in the Device
Manager?
1 Double-click the name of the NIC.
2 Select the General tab.
3 Make sure that Disable in this hardware profile is
not selected.
Why does the NIC
install as a generic PCI
Ethernet controller
under Other Devices in
the Windows 95/98
Device Manager?
When Windows 95/98 is installed after the NIC has
already been physically installed in the PC, Windows
95/98 may install the NIC as a generic PCI Ethernet
controller.
To work around this problem, follow these steps:
1 In the Device Manager, double-click Other Devices.
2 Click PCI Ethernet Controller, and then click Remove.
3 Reboot your PC.
What if a red circle
with a line through
it appears over the
3Com icon in my
Windows system tray?
If you enabled the 3Com icon to appear in the Windows
system tray, and a red circle with a line through it appears
over the icon, the network link is lost (that is, the PC is no
longer physically connected to the network).
■ Check the cable between the NIC and the hub or
switch. Make sure that it follows the appropriate cable
specifications. See Appendix A.
■ Make sure that the hub or switch is powered on.
■ Reboot the PC.
(continued)
book Page 66 Monday, March 15, 1999 1:31 PM