During that time the front LED would flash at the same pattern.īecause I had replaced the RAM (came with 4, wanted 8, but didn't want to pay the Apple price, so instead I bought from - they are amazing) I had suspected that maybe the RAM was bad or that it wasn't seated properly. the battery went completely dead while the computer was asleep, causing it to resume from the sleep image file when power was plugged in) when I would bring it out of safe sleep it would make it 50% through the resume process and then I would get 3 tones/beeps separated by about 5 seconds and then repeating the same sequence. any takers? Many thanks, Alex.I ran into an issue with my wife's MacBook Pro (Early 2011, 2.0 i7) where anytime it would go into safe sleep (i.e. System install was a success and was able to restart machine B successfully from the hard drive of the faulty machine. Did a clean system install from machine B (while still in target disk mode). Hard drive checks out with no errors and is formatted in Extended Journaled. DVD spins up but then three beeps.įired the machine up as a target disk and ran disk utility via remote control from another machine, we''ll call that one "machine B". Bought new ram, put it in, reseated it a bunch of times, still three beeps every time.Īttempting to restart using the system DVD by holding the C key, same problem. Computer starts with normal chimes, then when it gets to the grey screen with the Apple, I get the "three beeps". Now I can't get as far as the password screen any more. So I attempted to boot from my own Snow Leopard DVD, then I started getting three beep errors. I thought this was going to be an easy case of erase-and-install. My friend did not have the password to get into the machine and no original system disc. They were given the computer by someone who didn't want it. I'm working on a Macbook pro 15 A1278 for a friend.
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