Dropped my iBook - not booting now

Dropped my iBook off my desk while it was switched off. It wouldn't boot at all afterwards. Already secured all data via fire wire and deleted the hard drive, then reinstalled OS X. Screen was working perfectly when doing this.

If I switch it on now, the startup sound works and it starts booting. Then the tiger welcome music and voice starts, but the screen goes really dark before crashing altogether after a short while.

What do you think?

Cheers!

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Try hooking it up to an external monitor to try to isolate the problem. Let us know your results please. Was the book open when it dropped? Can you still see the desktop when it goes dark?

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Most likely what happened is that in the fall, your reed switch/inverter cable got damaged. It's a common issue after a drop - on your iBook, the cable is set up like this - it connects to the logic board on the side facing the floor (assuming computer is in normal use position), goes through the hinge, connects to the inverter, and then runs to the right hand side of the screen. There, on a board will be a glass capsule with two metal pieces inside. There is a vacuum in this chamber - which keeps those metal pieces apart. The magnet on top of your optical drive causes these two pieces to meet and create a circuit, prompting the computer to go to sleep. If you boot off of an OS X install CD - generally the inputs from the reed switch are ignored, but once the OS is installed - it will read the inputs and go to sleep at its earliest opportunity - i.e. after it has booted. From there, if you wake it, it'll go right back to sleep.

You need a new reed switch/inverter cable. This repair should be covered in the guide. It's not bad to do, just pop the bottom case off (three phillips screws under the feet, two in the battery bad, and three allen head screws on the main portion of the bottom case. Use a spudger to pop this panel off.

On the display housing, you'll need to remove the four allen screws, and the housing should pop off. Then two phillips screws to get the hinge cover off.

Remove the four screws holding the emi shield on the logic board. From here, it should be self explanatory.

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your hdd is overshocked and trashed you need to replace it with another lata hdd and reinstall osx

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Nice of you to chime in on a 4 year old question. Just what is a lata hdd?

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Katharina さん、ありがとうございました!
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