Sony VAIO VPCJ2 - Manual (Page 125)

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Troubleshooting >
Networking (LAN/Wireless LAN)
What should I do if my computer cannot connect to a wireless LAN access point?
❑ Connection capability is affected by distance and obstructions. You need to place your computer away from obstructions
or move any access point you may be using closer to the computer.
❑ Make sure the WIRELESS indicator light is lit on your computer.
❑ Make sure power to the access point is on.
❑ 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.
❑ Make sure the encryption key is correct.
❑ Make sure Maximum Performance is selected for Wireless Adapter Settings in the Power Options window. Selecting
any other option may result in a communication failure. To change the settings, follow these steps:
1 Click Start and Control Panel.
2 Click System and Security and Power Options.
3 Click Change plan settings for the current power plan.
4 Click Change advanced power settings.
5 Double-click Wireless Adapter Settings and Power Saving Mode.
6 Select Maximum Performance from the drop-down list.