Technical information

86 OpenBook 1849
Indicator-Related Symptoms
Symptom / Error Action in Sequence
Indicator incorrectly remains off or on, but system
runs correctly
Reconnect the inverter board
Inverter board
Main Board
Power-Related Symptoms
Symptom / Error Action in Sequence
Power shuts down during operation Power source (battery pack and power adapter).
Battery pack
Power adapter
Hard drive & battery connection board
Main Board
The system doesn’t power-on. Power source (battery pack and power adapter).
Battery pack
Power adapter
Hard drive & battery connection board
Main Board
The system doesn’t power-off. Power source (battery pack and power adapter).
Hold and press the power switch for more than 4 seconds.
Main Board
Battery can’t be charged Battery pack
Main Board
PCMCIA Symptoms
Symptom / Error Action in Sequence
System cannot detect the PC Card (PCMCIA) PCMCIA slot assembly
Main Board
PCMCIA slot pin is damaged. PCMCIA slot assembly
Memory-Related Symptoms
Symptom / Error Action in Sequence
Memory count (size) appears different from
actual size.
Enter BIOS Setup Utility to execute “Load Default Settings, then
reboot system.
DIMM
Main Board
Speaker-Related Symptoms
Symptom / Error Action in Sequence
In Windows, multimedia programs, no sound
comes from the computer.
Audio driver
Speaker
Main Board
Internal speakers make noise or emit no sound. Speaker
Main Board
Power Management-Related Symptoms
Symptom / Error Action in Sequence
The system will not enter hibernation Keyboard (if control is from the keyboard)
Hard disk drive
Main Board