6 GB of ram installed but only detect 4 GB.HELP !!

Hello,i have 6 gb DDR3 of memory installed (Kingston KHX1600C9D3K3/6GX),but my system detects only 4 GB of ram.Plus it doesnt detect my second ram slot.Windows 7 Home Premium x64 Bit/Intel Core i7/ASUS Sabertooth x58.

Please any help
11 answers Last reply
More about installed detect help
  1. since this board work with 3 channel memory did you put the stick in a1-b1-c1 slot and write in the user manual http://dlcdnet.asus.com/pub/ASUS/mb/LGA1366/Sabertooth_X58/e5995_sabertooth_X58.pdf
  2. Do you have three 2 GB sticks?
  3. @scout_03 yes,but my pc doesnt detect b1 ram slot :/
  4. cmichael138 said:
    Do you have three 2 GB sticks?

    Yes its 3 x 2 gb each
  5. scout_03 said:
    since this board work with 3 channel memory did you put the stick in a1-b1-c1 slot and write in the user manual http://dlcdnet.asus.com/pub/ASUS/mb/LGA1366/Sabertooth_X58/e5995_sabertooth_X58.pdf

    Yes thats the order i put em.but i dunno why b1 doesnt be recognized by my system.It only says Ram Slot 1 and Ram Slot 3

  6. bump :/
  7. Try removing all 3 sticks and then install just one stick in B1. If it doesn't show it as 2GB, try doing the same with each of the other two sticks. If each doesn't register as 2GB, you have a faulty B1 slot. If two sticks register 2GB each and the third doesn't, you have a bad stick of RAM
  8. cmichael138 said:
    Try removing all 3 sticks and then install just one stick in B1. If it doesn't show it as 2GB, try doing the same with each of the other two sticks. If each doesn't register as 2GB, you have a faulty B1 slot. If two sticks register 2GB each and the third doesn't, you have a bad stick of RAM

    And then how i suppose to fix it ?
  9. if it is the board or the ram the same would be rma for the defective part
  10. A Scout 03 stated, if the MB or RAM is defective, you will have to return it for a replacement.
  11. Try running memtest86 to test the ram, if all the ram modules pass this test then I assume its the mobo with the problem as cmichael138 says you may have to replace the mobo or ram. I had the same problem and its a right pain.
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