IBM R31 - Manual (Page 52)

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