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The time and date, as well as other settings, are kept by the PRAM battery when your machine is off.

  1. PowerBook G4 Titanium DVI PRAM Battery Replacement, Battery: step 1, image 1 of 2 PowerBook G4 Titanium DVI PRAM Battery Replacement, Battery: step 1, image 2 of 2
    • Locate the battery release tab on the underside of the G4.

    • Slide the battery release tab to the left and lift the battery out of the computer.

  2. PowerBook G4 Titanium DVI PRAM Battery Replacement, Lower Case: step 2, image 1 of 2 PowerBook G4 Titanium DVI PRAM Battery Replacement, Lower Case: step 2, image 2 of 2
    • Remove the seven T8 Torx screws from the lower case.

    • Using your thumbs, slide the lower case toward the front of the computer.

    • The lower case may stick in the front on a tab just above the center of the optical drive. Be careful as you work the case off, or you may break the thin strip of plastic just above the drive.

    • Lift the lower case off.

  3. PowerBook G4 Titanium DVI PRAM Battery Replacement, PRAM Battery: step 3, image 1 of 1
    • Disconnect the orange optical drive, modem and inverter cables from the logic board, removing tape as necessary.

    • Disconnect the two-wire pink and white inverter cable from the inverter board.

  4. PowerBook G4 Titanium DVI PRAM Battery Replacement: step 4, image 1 of 1
    • Lift of the right side of the optical drive and disconnect the modem cable.

  5. PowerBook G4 Titanium DVI PRAM Battery Replacement: step 5, image 1 of 1
    • Lift the optical drive up and out of the computer.

  6. PowerBook G4 Titanium DVI PRAM Battery Replacement: step 6, image 1 of 1
    • Disconnect the multicolor cable from the PRAM battery.

  7. PowerBook G4 Titanium DVI PRAM Battery Replacement: step 7, image 1 of 1
    • Use a spudger to pry the PRAM battery out of its housing on the upper case. Make sure not to bend the PRAM battery too much while prying it out.

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

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iRobot

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Thanks..

Great instructions.

Now to find a M6091 main battery.

does a lubricant help reduce the tension on the screen mounts. ? I read these easily break.

andrew Gibson - crwdns2853112:0crwdne2853112:0

I lubricated my screen hinges some years ago. It did help, but I should probably do it again. I think I used a very thin silicone or aromatics WD-40 type of spray, and carefully attempted to pry open the gap of the hinge to facilitate the ingress of the lube, maybe using an Opinel knife or a Stanley blade. Apologies for flaky memory. My hinges are still a dangerously weak point, and I always open the laptop carefully and slowly with two hands. Good luck.

sqeeezy -

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