194
If Something Goes Wrong
Resolving a hardware conflict
4 Select Internet Protocol (TCP/IP), then click Properties.
5 Select Obtain an IP address automatically.
6 Click OK, then click Close.
❖ Use IPCONFIG to verify that the computer has a useful IP
address—one other than the private address of
169.254.xxx.xxx assigned by Windows
®
.
❖ Click Start, then click Run...
❖ Enter
Cmd and press Enter.
❖ Enter
IPCONFIG /ALL and press Enter.
❖ The IP address for each active network adapter will be
displayed.
❖ Connect your computer directly to your router or broadband
modem, by plugging a standard CAT5 Ethernet patch cable
(sold separately) into your computer's RJ45 Ethernet port. If
your connection problem disappears, the problem lies in the
Wi-Fi
®
part of your network.
❖ Use the PING command to verify a connection to the gateway
at 192.168.1.1 (a default gateway for most wireless routers).
❖ Click Start, then click Run...
❖ Enter
Cmd and press Enter.
❖ Enter
PING 192.168.1.1 at the command prompt, and press
Enter.
❖ If “Request Timed Out” or another error message appears
in response, then the problem is probably Wi-Fi
®
-related.
❖ If you have enabled any security provisions (closed system,
MAC address filtering, Wired Equivalent Privacy [WEP], etc.),
check the access point vendor's Web site for recent firmware
upgrades. Problems with WEP keys, in particular, are
frequently addressed in new firmware releases.
Special considerations for the Windows
®
operating system
Wired Equivalent Privacy (WEP) encryption is not enabled
on the wireless access point.
When you install a wireless access point device, the Windows
®
operating system checks whether WEP encryption is enabled on the
device. If it is not enabled, the Windows
®
operating system adds the
device to its list of available wireless networks, but does not create a
wireless connection using the device, since the connection would