User's Manual


17

 
Chapter 3 Troubleshooting
Common problems
1.Display issues
When I turn on the computer, nothing appears on the screen.
• If the screen is blank, please make sure:
- The AC power adapter is connected to the computer, and plugged into a
working electrical outlet.
- The computer power is on. Press the power button again to confirm.
• If these items are properly set, and the screen remains blank, have the
computer serviced.
The screen goes blank while the computer is on
• Your screen saver or power management may be enabled. Do one of the
following to resume from sleep mode: Recovery from sleep mode:
- Press any key on the keyboard. (Notebook only)
- Press the power button.
2.Sleep problems
The critical low-battery error message appears, and the computer immediately
turns off.
• The battery power is getting low. Connect the AC power adapter to the computer.
The computer does not return from sleep mode, and the computer does not work.
• If the computer is in sleep mode, please connect the AC adapter to the computer,
and then press the Power button..
• If the system still does not return from sleep mode, stops responding, or cannot
be turned off, reset the computer. Unsaved data may be lost. To reset the computer,
press and hold the Power button for eight seconds or more. If the computer is still not
reset, remove the AC power adapter.
3.Voice problems
Even turn up the volume, you still cannot hear any sound from the speaker.
Answer: • Make sure that:
- Mute function is turned off.
- Do not use combo audio jack. - The speakers are selected as a playback device.
4.Other problems
The touchpad does not function well
•Press key “Fn+F7” to make sure the touchpad is turned on.
The computer is not responding
•To turn off your computer, press and hold the Power button for eight seconds or