Friday, 14 February 2014

iMac 24 inch 7,1 SOS beeps

An iMac is beeping when switched on. Beeps are 3 short, 3 long, 3 short:

beep, beep, beep, beeeeeeep, beeeeeeep, beeeeeeep, beep, beep, beep

Basically SOS

So far I've tried:

  1. swapping RAM with working computer
  2. swapping power cable with working computer
  3. holding down D and other keys
Looks like its a EFI ROM corruption. Could possibly be the battery. Will try replacing the Battery first. Here's a tutorial on it

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