My windows 7 64 only detects 4gb ddr3 ram i have 8gb ddr3 ram installed

my windows 7 64 only detects 4gb ddr3 ram i have 8gb ddr3 ram installed i have a msi p55 gd55 mobo a i5 750 4890 oced myself a 550 watt psu a 1t 7200 rpm drive in ah haf 922 what is the problem my is windows only saying i have 4gb ddr3 ram when i install 8gb?
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  1. Can you try putting each ram stick in seperately? if they all detect properly individually, it may be a mobo problem.
  2. You must've installed both the RAM Modules into similar color slots.....
    You need to populate slot 1 and slot 2 Closest to the Processor is DIMM2(Blue) and DIMM1 (Black) is the one next to DIMM2. This is if you have 2 Modules each of 4GB...
    If you have 4 Modules each of 2GB then then you're going to have to cycle all the RAM to check which 2 Modules are not working
  3. alyoshka said:
    You must've installed both the RAM Modules into similar color slots.....
    You need to populate slot 1 and slot 2 Closest to the Processor is DIMM2(Blue) and DIMM1 (Black) is the one next to DIMM2. This is if you have 2 Modules each of 4GB...
    If you have 4 Modules each of 2GB then then you're going to have to cycle all the RAM to check which 2 Modules are not working



    i found out which didnt work how do i fix it
  4. Is the slot bad or the RAM Module?, either way which ever one is bad, you'll have to get a replacement.Are they still under the warranty period? if they are , then just RMA it.
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