User's Manual

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 If using an external speaker, make sure that the speaker is properly connected.
Distorted sound is produced.
 Make sure that the volume control is not set too high or too low. In most cases,
a high setting can cause the audio electronics to distort the sound.
Startup Problems
When you turn on the computer, it does not respond and the Power Indicator
does not light green.
 If you are using an external AC power, make sure that the AC adapter is correctly
and securely connected. If so, make sure that the electrical outlet works properly.
 If you are using the battery power, make sure that the battery is not discharged.
 When the ambient temperature is below -20 C (-4 F), the computer will
start up only if both battery packs are installed.
When you turn on the computer, it stops after POST.
 Reset your computer.
WLAN Problems
I cannot use the WLAN feature.
 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.