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Thread: windows 7 wont boot with 8gb ram (p35- ds4)




  1. #1
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    Default windows 7 wont boot with 8gb ram (p35- ds4)

    hi all,

    My pc with Windows 7 wont boot after upgarding my ram from 4 to 8 gb with all new 4 X 2gb kingston pc2-6400 (KVR 800D2N6/2g)

    With 8 gb on board, the windows boot up logo shows and it stays there without any warning or error message, Bios shows full 8gb ram btw,, and i dont have any overclock settings, its all default.

    btw i can boot with 1gb less ram, 3X 2gb sticks + 1X 1gb stick. it dosent matter which slot im removing

    system spec attached

    im not much hardware techy, but can follow instructions if any one can help me,

    Thanks.

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: windows 7 wont boot with 8gb ram (p35- ds4)

    You should set your ram voltage to 1.85 or so manually, then set performance enhance to standard, and set +0.2-0.3 MCH Voltage

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    Default Re: windows 7 wont boot with 8gb ram (p35- ds4)

    tried with that voltage adjustment, but still same. not going past windows logo screen.

    hey its strange, i can boot in safe-mode . does this mean anything?

  4. #4
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: windows 7 wont boot with 8gb ram (p35- ds4)

    Hmm, yes that might mean something.

    Is it fine with 4GB in normal mode though?

    You really should update your BIOS as that one is quite old, latest is F6
    http://forums.tweaktown.com/f69/giga...41/index2.html

    If you do update, please DO NOT USE @BIOS!! Use Qflash, here is a guide
    http://forums.tweaktown.com/f69/bios...h-guide-27576/

    Also, with 8GB you may need to adjust tRFC (Refresh to Act Delay) to 72-88

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    Default Re: windows 7 wont boot with 8gb ram (p35- ds4)

    it was fine with 4gb normal mode.

    will try the bios update when i reach back home from work.

    thanks, will keep you posted.

  6. #6
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: windows 7 wont boot with 8gb ram (p35- ds4)

    Ok, well since 4Gb is fine in normal mode then I think it isn't anything to do with the OS, just settings we need to find and adjust is all

  7. #7
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    Default Re: windows 7 wont boot with 8gb ram (p35- ds4)

    hurrey,,, Bios update worked, its booting ok with normal mode and 8 gb ram.

    but one thing, after bios update my cpu fan is spinning veryfast and making noise, as its having a control unit to adjust speed so now im keeping it at 1250 rpm n its quiet. at full speed it spins at 2480 rpm. i dont know at wht speed it worked with old bios. just want to know 1250 rpm is enough or not?

  8. #8
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: windows 7 wont boot with 8gb ram (p35- ds4)

    Which brand/model of cpu heat-sink and fan are you using?
    Check the setting for CPU Smart FAN Control in the PC Health Status section of your bios, the normal setting is Enabled for automatic variable speed control.
    For cpu core temperatures, use RealTemp or CoreTemp.
    For CPU, System, and other temperatures, use EasyTune 5, HWmonitor and other programs.
    Run Prime95 blend test for 8 - 12 hours or longer to ensure that your 8GB setup is really stable.
    Click on the last line in my signature for a Prime95 how-to tutorial.
    If your room temperatures are about 20 (C), your Prime95 cpu core temperatures should be about 50 (C) or a little bit higher.

    Include a Memset screen-shot and click on the "SPD" and ">>" tabs so that we can check the memory settings.
    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
    .


  9. #9
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    Default Re: windows 7 wont boot with 8gb ram (p35- ds4)

    its a Zalman CNPS, dont remember the exact model no: will check once i reach home, also do those Temp check and stress tests and post the result.

    Temperature is little high on this side of the planet , and summer is already shining with 42*C outside. but its running ok from last night even with some heavy 3d programs i work with.

  10. #10
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    Default Re: windows 7 wont boot with 8gb ram (p35- ds4)

    its zalman CNPS9500A LED . here is temp and memset screen shots. im starting prime 95 test now. will keep you posted.

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