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CHAPTER 4: Troubleshooting
154
Memory Card
Memory
Sound
Power management
Symptom / Error Action in Sequence
The notebook cannot detect the memory
card.
• Test or replace the system board.
Memory card reader slot pin is damaged. • Test or replace the system board.
Symptom / Error Action in Sequence
Memory count (size) appears different
from actual size.
• Run “Load Setup Defaults” using the BIOS Setup Utility, then
reboot the notebook.
• Test or replace the SO-DIMM.
• Test or replace the system board.
Symptom / Error Action in Sequence
No sound comes from the notebook when
running Windows multimedia programs.
• Reinstall the audio driver.
• Test or replace the speakers.
• Test or replace the system board.
The internal speakers make noise or emit
no sound.
• Test or replace the speakers.
• Test or replace the system board.
Symptom / Error Action in Sequence
The notebook will not hibernate. • Test or replace the keyboard (if control is from the keyboard).
• Test or replace the hard disk drive.
• Test or replace the system board.
The system doesn't hibernate and emits
four short beeps every minute.
•Press Fn+
o and see if the notebook enters hibernation mode.
• Test or replace the touchpad.
• Test or replace the keyboard.
• Check the hard disk connection to the system board.
• Test or replace the hard disk drive.
• Test or replace the system board.
The notebook doesn’t enter standby mode
after closing the LCD.
• Make sure that the magnet is in the magnet holder. For more
information, see “Replacing the LCD” on page 121.
• Test or replace the system board.
The system doesn't resume from
hibernation mode.
• Check the hard disk connection to the system board.
• Test or replace the hard disk drive.
• Test or replace the system board.
The system doesn't resume from standby
mode after opening the LCD.
• Make sure that the magnet is in the magnet holder. For more
information, see “Replacing the LCD” on page 121.
• Test or replace the system board.