#MACBOOK PRO 2010 MEMORY UPGRADE 8GB UPGRADE#
Then I installed the 16 GB RAM upgrade and nothing. No beeps, no chime, just a black screen and the fan might be running, hard to tell.īack to the original 4 GB RAM and starts up like a charm. Tried running the EFI updater available for my machine and got message that it's not supported by my system. Took out one of the 2 GB sticks and put in one of the 8 GB sticks. Started right up and system info says it is running 10 GB RAM. So the RAM I bought is not bad and my RAM slots both work, but it won't run with both 8 GB sticks.Īnyone encounter this too and if so is there a way to get all 16 GB of RAM to work? Took that 8 out and put in other 8 and same result. If you need more system info to provide help, don't hesitate to ask.ĭouble check to make sure that your new RAM is the correct speed for your computer. You may have bought faster, newer RAM, such as PC3-12800. This RAM is technically backwards compatible with your computer, but it forces the bus to run at the faster speed, which it can't do. I'm having trouble finding the Apple support article about this, but it works like this: The bus can only run at the 1067 MHz speed of the RAM it was designed for. The computer will only run at the speed of the slowest RAM module installed. If you have PC3-8500 RAM in both slots, that's great, that's what the computer was designed for. But if you put PC3-12800 RAM in both of the slots, the bus will try to run at the speed of that faster RAM, which it can't do.
With one slow RAM module in one slot, and one fast one in the other slot, the bus will run at the speed of the slower one, which it's supposed to, and then slow down the faster RAM so that it can also work (this is currently how I'm running my 2009 white MacBook). Pretty sure it should give off some warnings though, so it's weird that it's not.Īfter many tests I realized that the problem was caused only by a corrupt RAM bank. So! You can ignore my previous post of October 18 2019.
The 2010 MacBook Pro, therefore, supports very well up to 16 GB of RAM provided ( very important!) if you have installed the latest version of the Firmware. #MACBOOK PRO MID 2010 RAM UPGRADE 8GB MAC#.#MACBOOK PRO MID 2010 RAM UPGRADE 8GB MODS#.
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