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Q: MBP (Mid 2009) does not read memory from BANK 1

It seems I am having a problem similar to some other people, yet I don't see an explicit answer to the question.

 

Below is what shows from my system report. However, I have another 4 GB RAM of the same kind in BANK 1. I have swapped both sticks of RAM multiple times to check that they both in fact work.... unfortunately, BANK 1 never reads the RAM.. I have tried memtest and other similar processes I have seen in the forums, but all of those only check the RAM being read, not whether or not there is something wrong with the memory slot itself. I have seen a few posts that lead me to believe it is one of two things: 1. the memory slot itself is bad and I have to replace the logic board yadda yadda or 2. the memory slot was somehow disabled from successive upgrades of the operating system.

 

ECC:          Disabled

 

BANK 0/DIMM0:

 

  Size:          4 GB

  Type:          DDR3

  Speed:          1067 MHz

  Status:          OK

  Manufacturer:          0x0198

  Part Number:          0x393930353432382D3030352E4130324C4620

  Serial Number:          0x6108D8BB

 

BANK 1/DIMM0:

 

  Size:          Empty

  Type:          Empty

  Speed:          Empty

  Status:          Empty

  Manufacturer:          Empty

  Part Number:          Empty

  Serial Number:          Empty

MacBook Pro, OS X Mavericks (10.9), Mid 2009

Posted on Nov 6, 2013 8:14 PM

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Q: MBP (Mid 2009) does not read memory from BANK 1

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