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  1.    06 Oct 2015 #1
    Join Date : Aug 2015
    Posts : 128
    windows 10 Pro x64

    RIVE showing 18 of 24 gb ram after de dusting and rebuild


    i disassembled the computer to blow out dust and then i reassembled it. everything works only that the bios shows 18gb ram instead of 24 while cpu-z shows 24gb.

    can it be fixed with a reseating of the cpu? or maybe take out all the ram sticks and try 1 and 1?
      My ComputerSystem Spec
  2.    06 Oct 2015 #2
    Join Date : Oct 2014
    Posts : 769
    Windows 7

    Highly doubtful this has anything to do with the CPU. Most likely one or more of the memory modules is not fully inserted. It currently is enough to be recognized but not fully functional.
      My ComputerSystem Spec
  3.    07 Oct 2015 #3
    Join Date : Aug 2015
    Posts : 128
    windows 10 Pro x64
    Thread Starter

    i also applied new thermal paste. while doing that i noticed a thin white line along the outer plastic wall and the pins on the cpu socket
      My ComputerSystem Spec
  4.    07 Oct 2015 #4
    Join Date : Jan 2014
    Inverness
    Posts : 1,197
    Win 10

    This is not a CPU problem, as previously noted. Possibly a BIOS reset is needed.
      My ComputersSystem Spec
  5.    07 Oct 2015 #5
    Join Date : Aug 2015
    Posts : 128
    windows 10 Pro x64
    Thread Starter

    ok. how do i do a bios reset? i have now reseated the memory sticks and it now shows 16gb. im using the 3 most left slots and the last slot to the right. i have tried with all of the slots and those are the ones that work.

    i'm using only the 4x4gb kit now. and from left to right the only slots that work is 1,2,3 and 8.
    Last edited by m0nk3n; 07 Oct 2015 at 07:45.
      My ComputerSystem Spec
  6.    07 Oct 2015 #6
    Join Date : Jan 2014
    Inverness
    Posts : 1,197
    Win 10

    Memory slots are in pairs. Your motherboard vendor should have the information on what are pairs. e.g. if you had 4 slots, usually starting from the left, slot 1 and 3 are a pair and slots 2 and 4 are a pair. You should install memory in pairs in the correct slots.
      My ComputersSystem Spec
  7.    07 Oct 2015 #7
    Join Date : Aug 2015
    Posts : 128
    windows 10 Pro x64
    Thread Starter

    DIMM_D1 and DIMM_D2 doesnt work at all. i tried putting a stick in D1 and it didnt boot. same with D2.
      My ComputerSystem Spec
  8.    07 Oct 2015 #8
    Join Date : May 2015
    Posts : 1,647
    Win 10 X64 Pro 15063

    Quote Originally Posted by fireberd View Post
    Memory slots are in pairs. Your motherboard vendor should have the information on what are pairs. e.g. if you had 4 slots, usually starting from the left, slot 1 and 3 are a pair and slots 2 and 4 are a pair. You should install memory in pairs in the correct slots.
    This is an X79 board so it is intended for quad channel memory. (Not required, but that gives the best performance in principle.)

    m0nk3n: if you have mislaid the paper manual, I recommend downloading the PDF from ASUS USA
    . That will show the allowed RAM configurations. I'm confused by how many DIMMs you have installed. Did you really have 12+16 GB showing up as 24 GB?

    The Rampage IV Extreme has a BIOS reset button as part of the rear I/O panel. You don't have to open the case to clear the CMOS.

    Good luck. I hope that the system isn't fubar.
      My ComputerSystem Spec
  9.    08 Oct 2015 #9
    Join Date : Aug 2015
    Posts : 128
    windows 10 Pro x64
    Thread Starter

    i have the manual. it said to put in D1 first but it didnt boot. no, i had 16 + 8 gb ddr3 showing as 24gb

    i have 4 sticks with 4gb 1866mhz ddr3 and 4 sticks with 2gb 1600mhz ddr3.
      My ComputerSystem Spec
  10.    08 Oct 2015 #10
    Join Date : May 2015
    Posts : 1,647
    Win 10 X64 Pro 15063

    Quote Originally Posted by m0nk3n View Post
    i have the manual. it said to put in D1 first but it didnt boot. no, i had 16 + 8 gb ddr3 showing as 24gb

    i have 4 sticks with 4gb 1866mhz ddr3 and 4 sticks with 2gb 1600mhz ddr3.
    Groovy. If D1 is the slot recommended for placing a single DIMM, that's unfortunate.

    If clearing the CMOS (also known as resetting the RTC) doesn't work, I'm out of ideas.

    If you have somehow damaged or contaminated the LGA (land grid array) pins in the CPU socket, I can't advise you on how to fix it. Those (nominally) 2011 pins must be fragile.
      My ComputerSystem Spec

 
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