![]() ![]() When it's 4GB or 6GB, it works fine, although a bit slow since I installed El Capitan, which is why I'm upgrading the memory. After replacement (I remove same CPU from Donner board) with was liquid damage but I was getting a display but it was too badly. Got it with 3 beeps issue have tired reflow ram replace PCH no luck I decide to replace CPU because it was getting crazy warm. ![]() This machine supposed to be upgradable to 8GB. Hi everyone, I have this MacBook Pro for repair board 820-3332-A. Any 6GB combination, regardless of which RAM uses which slot, also works fine. I have already tried almost all different combinations between these 6 RAMs (2 old 2GB, and 4 new 4GB). They are 204-pin DDR3 SO-DIMM 1600 (PC3L 12800) RAMs, which seems to be the correct kind. I have already tried 2 different sets of 4GB RAMs, one couple was second hand, the other pair brand new Crucial. because when I try one of the new (4GB) RAMs with one of the old (2GB) RAMs, it works fine. I am pretty sure this is not about RAMs not being inserted properly, or dusty slots etc. This video will walk you through how to reseat your RAM on your macbook to stop the three beeps. How it all started A couple of weeks back MacBook started pausing some of the applications randomly. The Macbook I have is a mid-2009 and has OSX El Capitan. Facing some issues with Macbook 2011 Model. ![]() ![]() I saw other people had the similar issue, however mine seems to be a bit different. I am trying to upgrade my Macbook Pro memory from 4GB to 8GB, however when I start the laptop it beeps 3 times, without loading the OS, and just keeps doing that. ![]()
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