IBM ThinkPad i Series 1500 User Manual Page 45

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Symptom/Error FRU/Action in Sequence
The system doesn't
power on.
Go to “Power systems
checkout” on page 30.
AC Adapter
Battery
DC/DC & Charge board
System board
The system doesn't
power off.
Go to “Power systems
checkout” on page 30.
Hold and press the power
switch for more than 4
seconds.
DC/DC & Charge board
System board
Battery can't be
charged.
Go to “Power systems
checkout” on page 30.
Battery pack
DC/DC & Charge board
System board
Memory-Related Symptoms
Symptom/Error FRU/Action in Sequence
Memory count (size)
appears different
from the actual size.
Go to “FRU tests” on
page 48.
Enter BIOS Utility and
execute "Load Setup Default
Settings"; then reboot the
system.
DIMM
System board
Audio-Related Symptoms
Symptom/Error FRU/Action in Sequence
Internal speakers
make noise or emit
no sound.
Speaker volume control
Go to “FRU tests” on
page 48.
Speaker(s)
External speakers
make noise or emit
no sound.
Speaker volume control
Go to “FRU tests” on
page 48.
Speaker(s)
In DOS or Windows,
multimedia programs,
no sound comes from
the computer. (Only
system beeps are
heard at power on.)
Speaker volume control
Go to “FRU tests” on
page 48.
Speaker(s)
36 ThinkPad i Series 1400/1500 HMM
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