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186
If Something Goes Wrong
Wireless networking problems
❖
Check the Windows
that the Wi-Fi
operating system, and that the driver is loaded. To access
the Device Manager, click Start, Control Panel, System
and Security, and then System. Carefully note any error
messages
a support technician at a later time.
❖
Use IPCONFIG to verify that the computer has a useful IP
address
169.254.xxx.xxx assigned by Windows
1
2
3
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
❖
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.
The Windows
does not work.
If you are using an external Wi-Fi
variety), check if the adapter comes with its own management
utility. If it does, the utility may be disabling the Windows
operating system wireless management utility, in which case you
must use the adapter's management utility. If the documentation
that accompanies the adapter does not provide enough information
to determine if this is the case, contact that vendor's support group
for further advice.
®
®
adapter is recognized by the Windows
-
these will be very helpful if you should confer with
-
one other than the private address of
Click Start to open the Start menu.
Type
in the Search programs and files field.
Cmd
Enter
IPCONFIG /ALL
®
part of your network.
®
operating system wireless management utility
Control Panel's Device Manager to verify
and press
Enter
®
adapter (a USB adapter, or other
®
®
.
.
®
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