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Basics Resetting the Logic Board - 17
Resetting the Logic Board
Resetting the logic board can resolve many system problems
(refer to "Symptom Charts" for examples). Whenever you
have a unit that fails to power up, you should follow this
procedure before replacing any modules.
1 Unplug the computer.
2 Remove the logic board. (Refer to the Take Apart chapter
for instructions on how to remove the logic board.)
3 Using a small flat-blade screwdriver, pry open the latch
at the end of the battery holder and lift off the battery
holder cover.
4 Remove the battery from its holder.