If this is not the case, all you have to do is replace the RAM memory (s) concerned. How to fix Mac crashing that beeps and won't turn on?įirst of all, you will need open the RAM memory slot to make sure they are well fixed in their housing as well as in the side claws. In this case, you do not have to follow any steps, the update will be automatic and when you restart your Macbook Air or Macbook Pro computer, you will not hear any sound by pressing the Power button from your Mac. Don't panic, it just means your Mac is performing a ROM and EFI update. You may also hear a are when you hold the power button on your Macbook Air or Macbook Pro computer, such as a long beep. If your Macbook Air or Macbook Pro computer is broadcasting three long tones, three short tones then three long tones, this is explained by the EFI ROM who is corrupted. If your Macbook Air or Macbook Pro computer is emitting a tone repeated every five seconds, that will mean that no RAM memory is installed on your Apple device. In the case of three beeps in a row, it means that the RAM memory your Macbook Air or Macbook Pro computer does not have not satisfied with the completeness check. three long tones, three short tones then again three long tones.Your Macbook Air or Macbook Pro computer can then send either: If these memories are not properly seated, that's why your Macbook Air or Macbook Pro computer will emit one or more tones and have difficulty starting up.Įach tone or set of tones has of course a precise meaning. It may be that your Macbook Air or Macbook Pro computer has simply suffered a shock which has resulted in dislodging one or more RAM memories. There is also CS-FLUX which seems to be flux specially designed for BGA rework by a laptop repair workshop.Why does my Macbook Air or Macbook Pro computer stop turning on and beeping? Amtech flux is very good for this job but quite expensive (on ebay most Amtech flux that is offered for under 25$ from China is low quality Chinese copy).

If you intent to do just a reflow you will definitelly need apropriate flux to be injected under the GPU. A reflow (heating of the solder balls under the GPU at around 250 degrees) could fix the problem temporary but in order to have a permanent result you need to remove the GPU and replace the solder balls (reballing).

Macbook pro 3 beeps in a row