Owner's Manual
8-10 
Troubleshooting 
The external microphone or audio device does not work. 
z  Make sure that the microphone is connected to the proper connector on 
the computer. 
z  Click the speaker symbol on the taskbar and check the Windows volume 
control. 
z  Check the volume control of your computer. 
Startup Problems 
When you turn on the computer, it does not respond and the Power 
Indicator does not light green. 
z  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. 
z  If you are using the battery power, make sure that the battery is not 
discharged. 
z  If your model comes with the “HDD preheat” feature, you will not be 
able to turn on the system when the hard disk drive is being heated. The 
AC Power indicator ( 
) lights red to indicate the heater is on. Wait till 
the heating is finished. 
When you turn on the computer, it stops after POST. 
z  Restart your computer. 
WLAN Problems 
I cannot use the WLAN feature. 
z  Make sure that the mini PCI-E WLAN card is correctly installed. 
z  Make sure that the WLAN feature is turned on. 










