3 beeps at startup
my macbook pro mid 2012 15.4 does not start and beeps 3 times at statup
Bu iyi bir soru mu?
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En Yararlı Yanıt
İtibar: 685,4b
3,4b
1,1b
2,6b
3 beeps = bad RAM or incorrect RAM. Please give us the last three figures of your serial number for the correct RAM type.
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I have the same issue as well with a MBP Mid-2012 model Intel Core i7 2.9GHz with 2 4GB RAM. Sometime the screen will glitch and I will see artifacts on the screen. Other time it will suddenly shut down and then beep 3 times when I try to turn it back on. Usually I have to open the back cover take out the battery and reinstall the RAM for it to turn on again. I recently noticed that if I apply pressure on the bottom of the laptop or if I move it will start having problems. I tested it with one RAM in the top slot and it is now working fine. I moved it, applied pressure, tried having multiple applications open and it did not give me any problems. Hopefully this fixes your issue.
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What do you mean you "tested it with one RAM"? Do you mean reinstalled it? I have the same problem as Enrique.
I'm having the same issue as enrique, but only using one RAM slot and not moving it around is not a solution.
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Why do you only have one RAM slot? Different machine?
No, I have two RAM slots. But if I can't use the lower RAM slot and max out at 4GB, then that's not much of a solution.
You are correct sir, not much of an answer ;-)
