Answer to: Strip screws? How to fix?Try this Precision Screw Extractor Set
Answer to: iMac stuck during booting from any HD, recovery mode, safe mode, etc.Replace all the cooling fans . Mine did this a few times and right after I replaced the HDD. I now have went thro a few HDD becouse the HDD was not apple certified. To control the fan speeds . I tried fan control software but it sux. Just replace the fans and add apple cert. HDD and it should be fine. P.S. disconnect the cd drive and try a boot also.
Answer to: My scanner does not respond when paper is inserted.The board in the door needs replaced or the plastic fingers are broke