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Troubleshooting Symptom Charts/Power - 8
Computer runs when
plugged into wall
outlet but not when
using battery power;
battery voltage is
within tolerance
1 If battery is new, fully charge it.
2 Check that leftmost CPU stiffener mounting screw is
installed.
3 Inspect battery contacts on logic board to make sure not bent
or dirty.
4 Perform battery contact alignment procedure. (See
Additional Procedures, “Align Battery Contacts.”)
5 If system had dead backup battery before replaced main
battery, reset power manager. (See Troubleshooting Info,
“Power Manager Reset.”)
6 Replace main battery.
7 Replace logic board.
Note:
Perform the battery contact alignment procedure when you
replace a logic board. (See Additional Procedures “Align Battery
Contacts.”)