CHAPTER 4: Troubleshooting
Memory
Symptom / Error | Action in Sequence | |
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Memory count (size) appears different from | ■ | Run “Load Setup Defaults” using the BIOS Setup Utility, then reboot |
actual size. |
| the notebook. |
| ■ | Test or replace the |
| ■ | Test or replace the system board. |
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Sound
Symptom / Error | Action in Sequence | |
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No sound comes from the notebook when | ■ | Reinstall the audio driver. |
running Windows multimedia programs. | ■ | Test or replace the speakers. |
| ■ | Test or replace the system board. |
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The internal speakers make noise or emit no sound.
■Test or replace the speakers.
■Test or replace the system board.
Power management
Symptom / Error | Action in Sequence |
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|
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 | ■ | Make sure that the magnet is in the magnet holder. For more |
closing the LCD. |
| information, see “Replacing the LCD panel” on page 84. |
| ■ | Test or replace the system board. |
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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 | ■ | Make sure that the magnet is in the magnet holder. For more |
after opening the LCD. |
| information, see “Replacing the LCD panel” on page 84. |
| ■ | Test or replace the system board. |
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The battery fuel gauge in Windows doesn’t go higher than 90%.
■Remove the battery pack and let it cool for two hours.
■Refresh the battery (use only battery power until the notebook turns off, then charge the battery).
■Test or replace the battery pack.
■Test or replace the system board.
The system hangs intermittently. | ■ | Reconnect the hard disk drive and optical drive. |
| ■ | Check the hard disk connection to the system board. |
| ■ | Test or replace the system board. |
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