Click Apply or Save Settings at the bottom of the page when you??™re
done.
15. Unplug the cable connecting your PC to your router, and then attempt a
wireless connection, as described in the next section, ???Sniff Out WiFi
Hotspots.??? See the upcoming ???Router Placement 101??? sidebar for ways to
improve reception (and thus the performance of your wireless network).
If you employ encryption using these settings, but you subsequently
can??™t connect to it wirelessly, it most likely means
that you??™ve entered the encryption key incorrectly on your
PC. To fix the problem, you??™ll have to reconnect your PC to
your router with a cable and modify the settings as described
here. If that doesn??™t help, make sure you??™ve installed the latest
firmware on your router and the latest wireless drivers on
your PC. As a final resort, reset the router as described in
your router??™s documentation, and start over.
While it??™s important to employ as many security features on your wireless
network as you can, you shouldn??™t rely entirely on them to protect your sensitive
data. When you??™re done here, make sure you set a password for your
Windows user account, and keep a watchful eye on precisely what resources
you??™re sharing, both as described in Chapter 8.
Build Your Network | 357
Networking and
Internet
Sniff Out WiFi Hotspots
The centerpiece of Windows??™ built-in wireless networking is the ???Connect
to a network??? window shown in Figure 7-8, which basically serves as a WiFi
sniffer.
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