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iMac G4 15" 700 MHz EMC 1873 PRAM Battery Replacement

Introduction

How to replace the PRAM battery on your iMac G4.

What you need

  1. iMac G4 15" 700 MHz EMC 1873 PRAM Battery Replacement, iMac G4 15" 700 MHz EMC 1873 PRAM Battery Replacement: step 1, image 1 of 2 iMac G4 15" 700 MHz EMC 1873 PRAM Battery Replacement, iMac G4 15" 700 MHz EMC 1873 PRAM Battery Replacement: step 1, image 2 of 2

    • Place the computer monitor face down on a safe, harmless surface.

    • Using a Phillips #00 screw driver, remove the four 6.86 mm screws from the metal plate.

  2. iMac G4 15" 700 MHz EMC 1873 PRAM Battery Replacement: step 2, image 1 of 1

    • Remove the metal plate from bottom of the iMac G4.

    • The four screws do not completely separate from the metal plate.

  3. iMac G4 15" 700 MHz EMC 1873 PRAM Battery Replacement: step 3, image 1 of 2 iMac G4 15" 700 MHz EMC 1873 PRAM Battery Replacement: step 3, image 2 of 2

    • Release the tabs on each side of the module by simultaneously pushing each tab away from the RAM.

    • These tabs lock the module in place and releasing them will cause the module to "pop" up.

    • Remove the RAM module from the iMac.

  4. iMac G4 15" 700 MHz EMC 1873 PRAM Battery Replacement: step 4, image 1 of 1

    • Use a spudger to lift and remove the AirPort's antenna connector.

    • This step is only applicable to iMacs that came with an AirPort card installed.

  6. iMac G4 15" 700 MHz EMC 1873 PRAM Battery Replacement: step 5, image 1 of 1

    • Remove the four 28.07mm Torx #15 screws from the lower case.

  7. iMac G4 15" 700 MHz EMC 1873 PRAM Battery Replacement: step 6, image 1 of 2 iMac G4 15" 700 MHz EMC 1873 PRAM Battery Replacement: step 6, image 2 of 2

    • Open the base by carefully pulling straight off, do not rotate the cover.

    • Open slowly to ensure that no cables are damaged or disconnected.

  8. iMac G4 15" 700 MHz EMC 1873 PRAM Battery Replacement: step 7, image 1 of 1

    • Squeeze the small black tab and wiggle gently to remove the colored power cable.

    • Do not pull directly on the colored wires.

    • Do not remove black grounding wire.

  9. iMac G4 15" 700 MHz EMC 1873 PRAM Battery Replacement: step 8, image 1 of 1

    • Grab both sides of the blue connector and firmly pull to remove it from the mother board.

    • Do not pull directly on the ribbon cable.

  10. iMac G4 15" 700 MHz EMC 1873 PRAM Battery Replacement: step 9, image 1 of 1

    • Release the tabs on each side of the module by pulling them away from the internal RAM

    • Once the tabs are pulled the module will "pop" out and you can slowly remove it.

  11. iMac G4 15" 700 MHz EMC 1873 PRAM Battery Replacement: step 10, image 1 of 3 iMac G4 15" 700 MHz EMC 1873 PRAM Battery Replacement: step 10, image 2 of 3 iMac G4 15" 700 MHz EMC 1873 PRAM Battery Replacement: step 10, image 3 of 3

    • Use a spudger to gently pull the side of the battery out of the socket.

    • Remove the PRAM battery

Conclusion

To reassemble your device, follow these instructions in reverse order.

Author

System

Member since: 09/24/09

2,562 Guides authored

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