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Thread: Debug code "D2" z77x UD5H




  1. #1
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    Default Debug code "D2" z77x UD5H

    Hi ! I'm currently using z77x UD5H with F16 mod 10.
    PC is stable for few days, then it suddenly freeze. when I look at the debug LED, it is "D2". I checked the manual, D2 is PCH initialization error.
    Googled it, so far I can't find the cause of this problem.
    It would be nice if someone knows and help me !

  2. #2
    stasio's Avatar
    stasio is online now GIGABYTE Elite
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    Default Re: Debug code "D2" z77x UD5H

    Please, list your full spec......
    GA-Z170X-SOC Force , Kaby Lake...
    GA-Z97X
    -SOC Force ,
    Core i7-4790K @ 4.9 GHz
    GA-Z87X-UD3H ,Core i7-4770K @ 4.7 GHz
    G.Skill F3-2933C12D-8GTXDG
    @ 3100 (12-15-14-35-CR1) @1.66V
    2xSSD Corsair Force GS 128 (RAID 0), WD Caviar Black SATA3 1TB HDD,
    Evga GTS 450 SC, Gigabyte Superb 720W
    XSPC RayStorm D5 EX240 (Liquid Ultra)
    NZXT Phantom 630 Ultra Tower
    Win 7 SP1 x64;Win 8.1 x64;
    Win 10 x64

  3. #3
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    Default Re: Debug code "D2" z77x UD5H

    windows 8.1
    3770k run default
    RAM cosair 8gb 2133
    sli 670

  4. #4
    stasio's Avatar
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    Default Re: Debug code "D2" z77x UD5H

    Any external usb device?
    Try to reseat the RAM,be sure contact is clean.
    Freeze with web browser (Firefox)...?
    Video card 670.....BIOS updated...latest nVidia drivers?
    GA-Z170X-SOC Force , Kaby Lake...
    GA-Z97X
    -SOC Force ,
    Core i7-4790K @ 4.9 GHz
    GA-Z87X-UD3H ,Core i7-4770K @ 4.7 GHz
    G.Skill F3-2933C12D-8GTXDG
    @ 3100 (12-15-14-35-CR1) @1.66V
    2xSSD Corsair Force GS 128 (RAID 0), WD Caviar Black SATA3 1TB HDD,
    Evga GTS 450 SC, Gigabyte Superb 720W
    XSPC RayStorm D5 EX240 (Liquid Ultra)
    NZXT Phantom 630 Ultra Tower
    Win 7 SP1 x64;Win 8.1 x64;
    Win 10 x64

  5. #5
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    Default Re: Debug code "D2" z77x UD5H

    Quote Originally Posted by stasio View Post
    Any external usb device?
    Try to reseat the RAM,be sure contact is clean.
    Freeze with web browser (Firefox)...?
    Video card 670.....BIOS updated...latest nVidia drivers?
    only mouse and keyboard
    already did couple of times, still happening
    freeze with chrome
    670 lastest beta and bios

    update windows 8.1 with a patch to fix the usb 3.0 problem.

  6. #6
    stasio's Avatar
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    Default Re: Debug code "D2" z77x UD5H

    Did you test RAM with Memtest86+....?
    Are you on stock or set XMP in BIOS (for RAM)?
    GA-Z170X-SOC Force , Kaby Lake...
    GA-Z97X
    -SOC Force ,
    Core i7-4790K @ 4.9 GHz
    GA-Z87X-UD3H ,Core i7-4770K @ 4.7 GHz
    G.Skill F3-2933C12D-8GTXDG
    @ 3100 (12-15-14-35-CR1) @1.66V
    2xSSD Corsair Force GS 128 (RAID 0), WD Caviar Black SATA3 1TB HDD,
    Evga GTS 450 SC, Gigabyte Superb 720W
    XSPC RayStorm D5 EX240 (Liquid Ultra)
    NZXT Phantom 630 Ultra Tower
    Win 7 SP1 x64;Win 8.1 x64;
    Win 10 x64

  7. #7
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    Default Re: Debug code "D2" z77x UD5H

    Quote Originally Posted by stasio View Post
    Did you test RAM with Memtest86+....?
    Are you on stock or set XMP in BIOS (for RAM)?
    i did run memtest but for 3 hrs, i dont know if that is enough
    set XMP profile in bios

  8. #8
    stasio's Avatar
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    Default Re: Debug code "D2" z77x UD5H

    Instead of XMP,try to set manually......seems some RAM voltages (or other) is to low.
    GA-Z170X-SOC Force , Kaby Lake...
    GA-Z97X
    -SOC Force ,
    Core i7-4790K @ 4.9 GHz
    GA-Z87X-UD3H ,Core i7-4770K @ 4.7 GHz
    G.Skill F3-2933C12D-8GTXDG
    @ 3100 (12-15-14-35-CR1) @1.66V
    2xSSD Corsair Force GS 128 (RAID 0), WD Caviar Black SATA3 1TB HDD,
    Evga GTS 450 SC, Gigabyte Superb 720W
    XSPC RayStorm D5 EX240 (Liquid Ultra)
    NZXT Phantom 630 Ultra Tower
    Win 7 SP1 x64;Win 8.1 x64;
    Win 10 x64

  9. #9
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    Default Re: Debug code "D2" z77x UD5H

    Quote Originally Posted by stasio View Post
    Instead of XMP,try to set manually......seems some RAM voltages (or other) is to low.
    the label on RAM said it can run at 9 - 11 - 9 -27 1.5v, but the XMP profile set them RAM at 9 - 11 - 10 - 27 1.5v.

    when I set it 9 11 9 27 in the BIOS, and testing it with intel burn test, it gives me fault results.

    so i have to use the XMP profile.

  10. #10
    stasio's Avatar
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    Default Re: Debug code "D2" z77x UD5H

    Try 9-11-11-27-cr2.......
    after voltage info...which ver. ???? (IMC) are on sticks.
    GA-Z170X-SOC Force , Kaby Lake...
    GA-Z97X
    -SOC Force ,
    Core i7-4790K @ 4.9 GHz
    GA-Z87X-UD3H ,Core i7-4770K @ 4.7 GHz
    G.Skill F3-2933C12D-8GTXDG
    @ 3100 (12-15-14-35-CR1) @1.66V
    2xSSD Corsair Force GS 128 (RAID 0), WD Caviar Black SATA3 1TB HDD,
    Evga GTS 450 SC, Gigabyte Superb 720W
    XSPC RayStorm D5 EX240 (Liquid Ultra)
    NZXT Phantom 630 Ultra Tower
    Win 7 SP1 x64;Win 8.1 x64;
    Win 10 x64

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