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Symptom/Error FRU/Action
Battery pack charges, but
the battery status indicator
does not light.
1. Reseat the Inverter
Card.
2. Replace the Inverter
Card.
Battery pack does not
charge, the battery status
indicator does not light, and
the battery fuel gauge is
less than 90%.
1. Check the AC
adapter connection.
Make sure that the
computer is
powered-on or in
Suspend mode.
2. Check the
Configuration Utility to
ensure that the AC
adapter is supplying
the correct voltage
level.
3. Check the AC adapter.
4. Make sure that the
computer is within the
operational
temperature range.
5. Change the AC
adapter.
6. Replace the Battery
Pack.
7. Replace the Top
System Board.
Function Related Symptoms
Symptom/Error FRU/Action
The system will not enter
Suspend mode or resume
by opening or closing the
LCD.
1. Check the
Configuration Utility
to ensure that the
Suspend on Lid
Close function is
enabled.
2. Check that the
computer can enter
Suspend mode by
pressing Fn+F4.
3. Top System Board.
4. Bottom System Board.
Memory count (size)
appears different from
actual size.
1. Go to “Memory
Checkout” on
page 128.
System configuration does
not match the installed
devices.
1. Go to “Checking
Installed Devices” on
page 157.
System stops intermittently. 1. Go to “Intermittent
Problems” on
page 152.
150 IBM Mobile Systems HMM