Open Settings and select Connection > Wireless LAN > Options > Advanced settings.

The WLAN Advanced settings are usually defined automatically, and it is not recommended to edit them.

To edit the settings, in Automatic configuration, select Disabled and from the following:

Power saving may affect the performance of some applications using WLAN connections. All WLAN networks do not support power saving.

The settings available for editing may vary.

To save your settings, select Back.

To restore all settings to their original values, select Options > Restore defaults.