Introduction
Removing an old or broken PRAM battery.
What you need
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Unplug all the cables from the computer, including the power cable. Lay the computer face-down, supporting the neck and base with a soft cloth under the screen.
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Open the housing plate.
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A fixed plug connector between the logic board and upper unit will cause some resistance. Pull gently but firmly.
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Gently remove the battery from its holder using the plastic opening tool.
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Insert new battery.
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