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Mid 2009 Model A1278 / 2.26 or 2.53 GHz Core 2 Duo processor EMC 2326

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Stress testing New MacBook Pro RAM Modules

I have a mid 2009 MBP. I recently got an 8 GB upgrade kit and installed it. I then went to memtest86.com and downloaded their Linux bootable ISO and started testing my RAM. After a few hours, I started running into errors, I then reseated the RAM and faced the same issues. So just out of curiosity, I put back my Apple RAM and ran the test again. I started getting errors on that too.

Now, I am not really sure whether there is an issue with the Apple RAM. I had dropped it off at the Mac store a few weeks back and they replaced a bunch of things and I would assume that they would have caught any serious issues then.

Can someone clarify whether its even possible that I am getting false positives on memtest? If so, are there other tools that I can use? ( I checked up memtest86+. The forums there had some mention of people having issues with Intel Macs. So I am not really sure what counts as a reliable way to test Intel Mac RAMS)

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Insert your original system installation disk and restart holding down the "D" key. This gives you diagnostics and run the RAM test. If you have a copy of TechTools Pro it also has the ability to do extensive memory testing.

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Just a shot but - A lot of PC RAM will not run properly in a MAC. You need to get your Mac RAM from a dealers that handles Mac.

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Well my RAM was from crucial.com, it was as specific to my Mac as I can get.

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I use Tech Tools Pro, the paid version, to test. If you're not having problems, I wouldn't worry about it

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I have a copy of Techtools Deluxe that came with the Apple Care CD: I ran that and everything seemed okay. I ran memtest os X which boots up the computer in Single User mode and tests its. That also came up with no errors. Unfortunately, I dont' have the original system disk with me. Are there are any other tests that I can do?

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