Owner's Manual

Troubleshooting 8-9
AC adapter is connected and the temperature is above an acceptable
range, the computer will display messages on the screen informing you
of the heating process; in other conditions, the screen is simply blank.)
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 necessary driver(s) 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.