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This guide shows how to remove and replace a worn battery for the Dell Precision M3800 laptop.
For your safety, discharge your battery below 25% before disassembling your device. This reduces the risk of a dangerous thermal event if the battery is accidentally damaged during the repair. If your battery is swollen, take appropriate precautions.
Neye ihtiyacın var
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Use a T5 Torx screwdriver to unscrew the ten 3mm screws on the laptop back cover.
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Lift up the silver cover from the back panel to reveal two screws.
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Use a Phillips screwdriver to remove the two screws underneath the silver cover.
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Use an opening tool to pry around the edges of the back panel to loosen the panel.
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Remove the back panel.
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Disconnect the battery cable from the system board [1].
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Use a Phillips screwdriver to remove the four screws securing the battery to the laptop.
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Lift the battery off the computer [2].
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To reassemble your device, follow these instructions in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
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