Acer Extensa 500 Service Manual
Chapter 4
83
The system doesn’t power-
off.
off.
Power source (battery pack and power adapter).
See “Power System Check” on page 75.
See “Power System Check” on page 75.
Hold and press the power switch for more than 4
seconds.
seconds.
Charger board
System board
Battery can’t be charged
Battery pack
DC-DC/charger board
System board
PCMCIA-Related Symptoms
Symptom / Error
Action in Sequence
System cannot detect the
PC Card (PCMCIA)
PC Card (PCMCIA)
PCMCIA slot assembly
System board
PCMCIA slot pin is
damaged.
damaged.
PCMCIA slot assembly
Memory-Related Symptoms
Symptom / Error
Action in Sequence
Memory count (size)
appears different from
actual size.
appears different from
actual size.
Enter BIOS Setup Utility to execute “Load Default
Settings, then reboot system.
Settings, then reboot system.
DIMM
System board
Speaker-Related Symptoms
Symptom / Error
Action in Sequence
In DOS or Windows,
multimedia programs, no
sound comes from the
computer.
multimedia programs, no
sound comes from the
computer.
Press Fn-F8, Speaker ON/OFF control.
Audio driver
Speaker
System board
Internal speakers make
noise or emit no sound.
noise or emit no sound.
Press Fn-F8, Speaker ON/OFF control.
Speaker
System board
Power-Related Symptoms
Symptom / Error
Action in Sequence