Einleitung
Use this guide to replace a dead PRAM battery.
Werkzeuge
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Loosen the two Phillips screws securing the access door to your iMac.
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Remove the access door.
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Remove the following screws along the lower edge of your iMac:
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Three 6 mm T8 Torx screws
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One 8 mm T8 Torx screw
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To lift the front bezel off the iMac, simultaneously:
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Use your thumbs to press in the RAM arms and hold the iMac down.
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Use your index fingers to pull the small bridge of material on the front bezel toward yourself.
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Pull the front bezel up with your index fingers.
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Once the small bridge of material has cleared the RAM arms, lift the front bezel by its lower edge just enough to clear the bottom edge of the rear case.
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Lift the front bezel off the rear case and rotate it away from the bottom edge of the iMac, minding the camera and microphone cables still attached to its upper edge.
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Disconnect the microphone cable.
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Disconnect the camera cable by pulling its connector away from the socket on the camera board.
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Use the tip of a spudger to pry the PRAM battery out of its socket on the logic board.
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Remove the PRAM battery.
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To reassemble your device, follow these instructions in reverse order.
Ein Kommentar
what should i do if the mac cant switch on or no light afther changing the pram battery?