![]() ![]() I googled for it but couldn't find any alike pattern. I'm not able to run the hardware test pressing D before startup, even with the original disc. It's worth mentioning that I was reinstalling it for triple boot when that happened, however I've repartitioned the HD and it's back to the original state now, so I believe it does't have to do with that reinstall. I've opened it and tried changing the memories, the hard drive, but no different results. I use it, shut it down and when I want to use it again, I have to go through that process all over again: the beep, blinks and 4 tries until it comes back to life. I repeat that 3 more times and the Mac finally turns on and works normally. ![]() You can often fix it quite easily, but if the problem is a hardware one with the RAM modules themselves, you may need to take your Mac to an authorized service center or Genius Bar. In more detail, if you hear three beeps after every 5-second pause, it means that the memory in your MacBook has some problems and can't pass the integrity check. When I turn it on again, no beep or blinks, but still a black screen. Three beeps when your Mac starts up indicate a problem with firmware or RAM. The solution for this is to make sure that your AC cord is connected properly and your AC adapter is functioning properly. FAQs about MacBook beeping 3 times What does it mean when your MacBook beeps 3 times A looping three times beeps during startup is a signal from your MacBook to tell you that the operating system you'll boot into is incompatible or even fails to detect some hardware on your Mac. So I have to hold down the power button to force a shutdown. The screen remains black and nothing happens. When I turn it on, the led blinks rapidly, about 14 times, and then the Mac beeps once. I have a MacBook Pro from mid 2009 annoying me. ![]()
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