Sony VAIO VGN-P Series, Operating Instructions - Hardware Manual

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Troubleshooting >
Networking
Networking
What should I do if my computer cannot connect to a wireless LAN access point?
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You need to connect the display/LAN adapter (supplied with selected models only) to your computer before configuring
or accessing your network.
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Connection capability is affected by distance and obstructions. You may need to move your computer away from
obstructions or closer to any access point you may be using.
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Make sure the WIRELESS switch is on and the WIRELESS indicator light is lit on your computer.
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Make sure power to the access point is on.
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If you want to connect your computer to a wireless LAN access point using the 5 GHz band, make sure the option to use
the 5 GHz band or both the 2.4 GHz and 5 GHz bands is selected on the
WLAN tab in the VAIO Smart Network settings
window. Wireless LAN communication (IEEE 802.11a standard) using only the 5 GHz band, available on selected models
only, is disabled by default.
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Follow these steps to check the settings:
1 Click Start and Control Panel .
2 Click View network status and tasks under Network and Internet .
3 Click Connect to a network to confirm that your access point is selected.
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Make sure the encryption key is correct.