Symptom/Error
Battery can't be charged.
Memory-Related Symptom
Symptom/Error
Memory count (size)
appears different from
the actual size. (The
main memory with 8MB
of VGA.)
Audio-Related Symptoms
Symptom/Error
Internal speakers make
noise or emit no sound.
External speakers make
noise or emit no sound.
In DOS or Windows,
multimedia programs, no
sound comes from the
computer. (Only system
beeps are heard at
power-on.)
PC Card (PCMCIA)-Related Symptoms
Symptom/Error
System cannot detect the
PC Card (PCMCIA)
PCMCIA slot pin is
damaged.
46
ThinkPad R30/R31 HMM
FRU/Action in Sequence
v Go to "Power systems checkout" on
page 36.
v Battery assembly
v System board
FRU/Action in Sequence
v Go to "FRU tests" on page 54.
v Enter BIOS Utility and execute
"Load Setup Default Settings"; then
reboot the system.
v DIMM
v System board
FRU/Action in Sequence
v Speaker volume control
v Go to "FRU tests" on page 54.
v Speaker(s)
v Speaker volume control
v Go to "FRU tests" on page 54.
v Speaker(s)
v Speaker volume control
v Go to "FRU tests" on page 54.
v Speaker(s)
FRU/Action in Sequence
v PC Card (PCMCIA) holder
assembly
v System board
PC Card (PCMCIA) holder assembly