Sony VAIO VPCF13 - Manual (Page 144)

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Troubleshooting >
Networking (LAN/Wireless LAN)
❑ 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 Right-click the power status icon on the taskbar and select Power Options.
2 Click Change plan settings.
3 Click Change advanced power settings.
4 Select the Advanced settings tab.
5 Double-click Wireless Adapter Settings and Power Saving Mode.
6 Select Maximum Performance from the drop-down list both for On battery and Plugged in.