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DDR2 and DDR3 RAM motherboard capatibility issue

By DavidL87
May 9, 2012
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  1. My motherboard has 2 X DDR2 slots and 2 X DDR3 slots. I recently bought 2 X 4GB DDR3 sticks to put into my computer. I am currently running 2 X 2GB DDR2 sticks. Are the two RAM types compatible?

    When I installed the DDR3 RAM my computer will not turn on. I have yet to try to take out my DDR2 sticks and just use the new DDR3. Will that make a difference?

    Thanks.
     
  2. mailpup

    mailpup TS Special Forces Posts: 6,979   +362

    It is likely you can run only one type of RAM at a time. What does your motherboard manual say about this issue?
     
  3. cliffordcooley

    cliffordcooley TS Guardian Fighter Posts: 8,551   +2,894

    ^^^^ +1
    It's been my understanding that motherboards running two different types of RAM, can only run one type at a time.
     
  4. SNGX1275

    SNGX1275 TS Forces Special Posts: 10,714   +397

    Yep, it will make a difference. Remove the DDR2 RAM and all will be well.
     
  5. DavidL87

    DavidL87 TS Rookie Topic Starter

    Thanks
     

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