User's Manual

Troubleshooting 8-11
is on. Wait till the heating is finished. However, if external AC power is not
available and the remaining battery power is too low for the heating to complete,
the computer may not start up. In case the computer fails to start up, turn off
the computer and leave it in room temperature for about an hour before trying
to turn it on again.
When you turn on the computer, it stops after POST.
 Restart your computer.
WLAN Problems
I cannot use the WLAN feature.
 Make sure that the mini PCI-E WLAN card is correctly installed.
 Make sure that the WLAN feature is turned on.
Transmission quality is poor.
 Your 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.
 Check if there is high interference around the environment and solve the problem
as described next.
Radio interference exists.
 Move your computer away from the device causing the radio interference such
as microwave oven and large metal objects.
 Plug your computer into an outlet on a different branch circuit from that used
by the affecting device.
 Consult your dealer or an experienced radio technician for help.
I cannot connect to another WLAN device.
 Make sure that the WLAN feature is turned on.