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Mid 2010 Model A1278 / 2.4 or 2.66 GHz Core 2 Duo processor

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iFixit RAM upgrade not compatible?

Just purchased a “MacBook Pro 13" Unibody (Mid 2010) Memory Maxxer RAM Upgrade Kit”. but the new RAM doesn’t work. I’m running OS 10.12 and my laptop matches all other required specs. I’ve never experienced RAM compatiblity issues with iFixit in the past, but that was before they started selling “iFixit brand” memory, so maybe things have changed.

I’ve tried the following:

  • re-seated new RAM, no effect
  • tried both new chips separately in each slot to make sure chips and/or slots weren’t defective
  • reinstalled old RAM, laptop works fine
  • repeated all of the above 2 times, same results (I had to be certain, since I spent $41 non-refundable bucks for overnight delivery!)

Any other ideas?

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Let’s double check your exact machine. Please go here and enter your serial number and let us know your results:

https://everymac.com/ultimate-mac-lookup...

UPDATE

RAM Type:PC3-8500 DDR3Min. RAM Speed:1066 MHz

Details:Supports 1066 MHz PC3-8500 DDR3 SDRAM.

Standard RAM:4 GBMaximum RAM:16 GB*

Details:4 GB of RAM pre-installed as two 2 GB modules, no slots free.


*Originally, both the official and actual maximum RAM was 8 GB. However, as confirmed by OWC, if running OS X 10.7.5 or higher, updated with the latest EFI, and equipped with proper specification memory modules, this model can support up to 16 GB of RAM.

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Here are the results: (note: last year the 250 GB hard drive was upgraded to 1TB)

MacBook Pro "Core 2 Duo" 2.4 13" Mid-2010 2.4 GHz Core 2 Duo (P8600)

Intro. April 13, 2010 Disc. February 24, 2011

Order MC374LL/A Model A1278 (EMC 2351*)

Family Mid-2010 13" ID MacBookPro7,1

RAM 4 GB VRAM 256 MB

Storage 250 GB HDD Optical 8X DL "SuperDrive"

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Your Best Bet Would To Be To Talk To Ifixit Staff About That. They May Have Messed Up Your Order And Sent You Ram From A Different Model.

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I double-checked the chips before install, and they both seem like the correct ones: 8GB DDR3 PC3-8500 1066 MHz

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It may have not been tested before leaving Ifixit. you can get in contact with them at help.ifixit.com.

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You may have either bought the wrong product or the wrong product may have been shipped to you. You may want to contact customer support at help.ifixit.com about this matter as they can assist you with either a return or exchange.

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I'll call them tomorrow (they are closed today), but I double-checked the chips before install, and they both seem like the correct ones: 8GB DDR3 PC3-8500 1066 MHz

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What is the OS version you are running? You may need to update the EFI firmware.

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I’m running OS Sierra 10.12.6

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