CHAPTER 4: Troubleshooting
110
Memory
Sound
Power management
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 panel” on page 83
.
■
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 panel” on page 83
.
■
Test or replace the system board.
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.
Содержание EasyNote NM85
Страница 1: ...EasyNote NM85 NM86 NM87 NM89 NM98 SERVICEGUIDE ...
Страница 6: ...Contents iv ...
Страница 12: ...CHAPTER 1 System specifications 6 System block diagram ...
Страница 38: ...CHAPTER 2 System utilities 32 ...
Страница 100: ...CHAPTER 3 Replacing notebook components 94 ...
Страница 120: ...CHAPTER 4 Troubleshooting 114 ...
Страница 121: ...CHAPTER5 115 Connector locations System board layout ...
Страница 125: ...CHAPTER6 119 FRU Field Replaceable Unit list Introduction Exploded diagram FRU list ...
Страница 133: ...APPENDIXA 127 Test compatible components Introduction Microsoft Windows 7 Compatibility Test ...
Страница 137: ...APPENDIXB 131 Online support information ...
Страница 141: ......
Страница 142: ...MAN NV5x SVC GDE R1 04 09 ...