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pc wont post or boot after 2GB more ram installed!!!

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  • #1

    pc wont post or boot after 2GB more ram installed!!!

    Hi all,

    first of all here is my rig:

    core 2 <nobr style="font-weight: normal; font-size: 100%; color: rgb(0, 0, 0);" id="itxt_nobr_2_0">duo</nobr> e8400 cpu
    GA-EP45-DS3 Mobo
    g.skill 4 X 1 GB pc8500 1066mhz 5-5-5-15
    4870 gfx card
    corsair vx 550w psu

    so i recently decided to upgrade to 4 GB of ram after initially having 2 GB running perfecly for over a year on windows vista 32BIT.
    I got the extra 2GBs because i got win7 64 bit -------so i bought exacly the same ram as my old one G.skill 2 x 1 GB pc8500 1066mhz 5-5-5-15

    The problem is the system wont boot after I install the 4 sticks of ram but will run perfecly fine with 2 sticks

    Ive tried the 2 new sticks alone and they worked but using all of the 4GB wont let me boot the system I also tried diffrent combinations like old ram with new and results were that as long as its 2GB it will boot but not 4GB

    after a lot of googling here are the thing i tried until now:

    updated bios - nothing
    shifted the sticks in diffrent combinations -nothing
    i set the voltage to 2.0V and 2.1V in BIOS (on the ram the sticker says 2.0-2.1v) -nothing
    i installed and reinstalled the sticks many times -nothing



    Im really desperate ive tried everything

    anyone has an idea of whats happening? im sure nothing is defective when it comes to hardware because i tried the sticks on the 2 other slots alone and system booted


    Thanks in advance
    Tags: None
  • #2
    Re: pc wont post or boot after 2GB more ram installed!!!

    Boot with 2GB and set the following:

    Set voltage to the max supported

    Set MCH Core to 1.28V or +0.2 what ever your Mobo shows.

    Make sure the Primary timings are manually set.

    Make sure the System Memory Multiplier is set corrently and that the projected RAM speed shown states "1066 or very close.

    Now shut down and install all 4GB and see if you can boot.

    If not you may need to go to advanced timings and set Static tRead/Performance level manually. Set it to 9 for now and then try again with 4GB (in combination with all the other settings changed previously of course).

    Take a careful look at the new RAM you bought. It's not sufficient to just have more "PC8500 1066 5-5-5-15" it must also be of the exact same model eg "F2-8500CL5D-4GBPK". If not then you have mismatched RAM.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

    Comment

    • #3
      Re: pc wont post or boot after 2GB more ram installed!!!

      Let us know if you need more help

      Comment

      • #4
        Re: pc wont post or boot after 2GB more ram installed!!!

        Originally posted by Psycho101 View Post
        Boot with 2GB and set the following:

        Set voltage to the max supported

        Set MCH Core to 1.28V or +0.2 what ever your Mobo shows.

        Make sure the Primary timings are manually set.

        Make sure the System Memory Multiplier is set corrently and that the projected RAM speed shown states "1066 or very close.

        Now shut down and install all 4GB and see if you can boot.

        If not you may need to go to advanced timings and set Static tRead/Performance level manually. Set it to 9 for now and then try again with 4GB (in combination with all the other settings changed previously of course).

        Take a careful look at the new RAM you bought. It's not sufficient to just have more "PC8500 1066 5-5-5-15" it must also be of the exact same model eg "F2-8500CL5D-4GBPK". If not then you have mismatched RAM.

        HI and thanks for your response, just got back home gonne strat trying what you said in a few minutes and yes on all of the 4 sticks the model is F2-8500CL5D-2GBPK

        will update soon with results

        Comment

        • #5
          Re: pc wont post or boot after 2GB more ram installed!!!

          Guys i dont know whats happening but every time i make a MINOR modification on bios it woont boot and does 1 long beep and 1 short beep right after


          Even modifications like just put 9x ratio for CPU (which should be at 9 originally)

          i dont understand whats going on if i do A SINGLE modification to values in bios system wont boot and i have to shut it down like 4 times then remove power cord and plug it in so it can boot and it puts its own values

          its driving me crazy :( i thought this mobo was better than this..

          Comment

          • #6
            Re: pc wont post or boot after 2GB more ram installed!!!

            any ideas

            Comment

            • #7
              Re: pc wont post or boot after 2GB more ram installed!!!

              Have you tried clearing CMOS yet? See http://forums.tweaktown.com/f69/bios...76/#post258596 give it 20-40 minutes clear, and an overnight if that does not help.

              Ir's a bit of a voodoo, but I've seen it help couple of people that have problems with BIOS changes.

              Comment

              • #8
                Re: pc wont post or boot after 2GB more ram installed!!!

                Check out this post for basic recommended bios settings after you have first loaded optimized bios settings.
                Follow steps 1 - 4 to provide additional information about your hardware and bios settings.
                Last edited by profJim; 11-21-2009, 07:21 AM.
                Q9650 @ 4.10GHz [9x456MHz]
                P35-DS4 [rev: 2.0] ~ Bios: F14
                4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
                MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
                Seasonic SS-660XP2 80 Plus Platinum psu (660w)
                WD Caviar Black WD6401AALS 640GB (data)
                Samsung 840 Pro 256GB SSD (boot)
                SLI @ 16/4 works when running HyperSLI                		 Cooler Master 120XL Seidon push/pull AIO cpu water cooling
                Cooler Master HAF XB computer case (RC-902XB-KKN1)
                Asus VH242H 24" monitor [1920x1080]
                MSI N460GTX Hawk (1GB) video card
                Logitech Z-5500 Digital 5.1 Speakers
                win7 x64 sp1 Home Premium
                HT|Omega Claro plus+ sound card
                CyberPower CP1500PFCLCD UPS
                E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
                Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
                Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
                HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
                win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S                .

                Comment

                • #9
                  Re: pc wont post or boot after 2GB more ram installed!!!

                  Originally posted by mohwner View Post
                  Even modifications like just put 9x ratio for CPU (which should be at 9 originally)

                  What do you mean originally? Is it not set to 9 by default, or you mean you changed it and can't change it back?

                  Are you using the latest BIOS and did you load optimized defaults and reboot after you flashed or built the system if you have not updated the BIOS?

                  If you have not updated the BIOS please do, here is a guide on how to use Qflash to update your BIOS
                  http://forums.tweaktown.com/f69/bios-flashing-how-qflash-guide-27576/


                  Latest BIOS herehttp://forums.tweaktown.com/f69/gigabyte-latest-bios-28441/

                  Comment

                  • #10
                    Re: pc wont post or boot after 2GB more ram installed!!!

                    mohwner,
                    It would be helpful if system specs could be added to your usercp/signature, and if you could get an EP45 template from here, and fill it out with the settings from your bios. (Ignore any existing settings, change to yours.) If set to auto, put auto.

                    I assume you have two sets of 2x1 rather than a matched set of 4x1. That can work, but also can be a problem. Two pairs may require lower speeds and looser timings.
                    Last edited by Salty; 11-21-2009, 03:16 AM.





                    CPU                     =                                         i7 950 - DO stepping - Batch #3014A844
                    Cooling = EK HF Full Nickel                     - XSPC RX360 - Laing DDC 18W - XSPC Bay Reservoir
                    Motherboard = GA-X58A-UD3R Revision 2                    , BIOS Version = Award FC
                    Ram = 3x2gig Corsair TR3X6G1600C8D G
                    Video = 2 X Palit GTX460 Sonic Platinum 1GB OC sli
                    Monitor = 22" LG Flatron W2242T 1680 x 1050 Case = Coolermaster CM690
                    PSU = Corsair HX850
                    OS = Windows 7 Professional x64

                    Comment

                    • #11
                      Re: pc wont post or boot after 2GB more ram installed!!!

                      I have had a PC that everytime a BIOS setting was changed the PC would not POST, it actually turned out that the PC would not Hot boot. If I turned the Power off on the PSU switch and turned the PC back on, it worked fine. Problem turned out to be the RAM, it tests 100% OK with about 30 hours memtest, swapped to different brand and worked fine. This problem also didn't occur with 2 sticks, only 4.
                      Gigabyte GA-965P-DS3
                      Intel E6400 @ 3.2GHz
                      Kingston 1GB x 4 PC5300 @ 800MHz
                      Zotac 8800GT AMP! @ 770MHz

                      Comment

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