When you turn on the computer, it stops after POST.

zRestart your computer.

WLAN Problems

I cannot use the WLAN feature.

zMake sure that the mini PCI-E WLAN card is correctly installed.

zMake sure that the WLAN feature is turned on.

Transmission quality is poor.

zYour computer may be in an out-of-range situation. Move your computer closer to the Access Point or another WLAN device it is associated with.

zCheck if there is high interference around the environment and solve the problem as described next.

Radio interference exists.

zMove your computer away from the device causing the radio interference such as microwave oven and large metal objects.

zPlug your computer into an outlet on a different branch circuit from that used by the affecting device.

zConsult your dealer or an experienced radio technician for help.

I cannot connect to another WLAN device.

zMake sure that the WLAN feature is turned on.

zMake sure that the SSID setting is the same for every WLAN device in the network.

zYour computer is not recognizing changes. Restart the computer.

zMake sure that the IP address or subnet mask setting is correct.

Troubleshooting 8-11

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Carvin S400 manual Wlan Problems