Symptom/Error FRU/Action in Sequence
Speakers have
noise or no
sound comes
from system
1. Chassis (speaker on chassis)
2. Audio connector board
3. System board
Power Management-Related SymptomsSymptom/Error FRU/Action in Sequence
The system will
not enter
hibernation.
1. Go to “Hibernation Mode” on
page 13 and see the note.
2. Ensure the “System Hibernation
Timer” in the Power Management
Settings of BIOS Utility is not set
to [OFF].
3. Boot an operating system and
press Fn+F8 and see if the
computer enters hibernation
mode.
4. Keyboard connector board
5. Keyboard
6. Hard disk connector board
7. Hard disk drive
8. System board
The system will
not wake up
from hibernation.
1. Keyboard connector board
2. Keyboard
3. Hard disk connector board
4. Hard disk drive
5. System board
The system will
not enter
standby after
closing the LCD.
1. Ensure the “System Standby
Timer” in the Power Management
Settings of BIOS Utility is not set
to [OFF].
2. Chassis (LCD cover switch on
chassis)
3. System board
The system will
not resume after
opening the
LCD.
1. Chassis (LCD cover switch on
chassis)
2. System board
Battery fuel
gauge does not
go higher than
90%.
1. 1. Remove battery pack and let it
cool for 2 hours.
2. Refresh battery (continue to use
battery until power off, then
charge battery).
3. Battery
4. Charger board
5. System board
System
configuration
does not match
the installed
devices.
1. Enter BIOS Utility to execute Load
Setup Default Settings, then
reboot system.
2. Reseat Hard
disk/diskette/CD-ROM drive
connector.