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Thread: GB H77 ITX WiFi - no video output (IGX/PEG) after a boot or 3




  1. #1
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    Exclamation GB H77 ITX WiFi - no video output (IGX/PEG) after a boot or 3

    Hi all,

    I have deployed some of these motherboards - mostly working fine.

    But one has its video disappear (internal OR Discrete modes/setups) 80% of the time.
    So it boots fine a few times - then loses all video output.

    It booted up fine the first few times. Using the on-board or IGX ports. (HDMI/DVI)

    Added a video card and still no problem (GB GTX640 like the other similar builds i have)

    However, after a while (not related to reboots or re-starts - but certainly "soon" - then all video output disappears.
    Meaning no output from video card (discrete - any type or make) e.g. doing windows updates, a reboot or two then - blam - gone.

    And if i remove the discrete video card then IGX (internal) video is OK (for a few reboots/re-starts)
    Then it disappears too.

    I can use the on-board DMI #1 or #2 or the DVI - works on any - BUT only the first few times

    Once it "loses" the video i can only recover it by adding/removing a discrete video card.
    OR a major HW change such as PSU/CPU/RAM may also help - but mainly its between IGX and PEG video.

    What i set the 2 x BIOS video options to makes NO difference!
    In fact - once a discrete video card is in - then FORGET using or booting from IGX. (IGX seems to get totally utterly disabled)

    I changed RAM, CPU and PSU - and of course video cards (GTX 640's and even trying older MSI 460 Hawks)
    So only the Motherboard is common.

    All similar builds are all also using the F3c 'beta' bios - they work fine
    And our other same builds run sweet - no problems and they have no issues like this at all and are all IDENTICAL with Dual screens using discrete video cards.

    Any ideas or is it RMA time...sigh

    thanks
    Jan

  2. #2
    Tyler.Bernath's Avatar
    Tyler.Bernath is offline TweakTown Consumer Storage Editor
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    Default Re: GB H77 ITX WiFi - no video output (IGX/PEG) after a boot or 3

    With the issue happening on both discrete and integrated graphics, im thinking the common denominator is the monitor and or the cable. have you tried swapping these just to check?

  3. #3
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    Default Re: GB H77 ITX WiFi - no video output (IGX/PEG) after a boot or 3

    are you manually setting to igpu or pci/peg in the bios? some boards have a pci switch that detects when a gpu is plugged in/out

    might be worth manually setting main display in the bios and see if its any better,also try with latest beta and final bios
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  4. #4
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    Default Re: GB H77 ITX WiFi - no video output (IGX/PEG) after a boot or 3

    Quote Originally Posted by Tyler.Bernath View Post
    With the issue happening on both discrete and integrated graphics, im thinking the common denominator is the monitor and or the cable. have you tried swapping these just to check?
    I'm thinking along these lines too...

    Vin
    Main Rig
    OS = Win8.1
    CPU = i7-980X @ 4.17Ghz 144x29 cooled by custom Loop
    Mem = 12GB 2000Mhz corsair Dominator GT at 2010Mhz @ 9-10-9-27-2T
    MB = Gigabyte GA-X58A-UD5 v1.0 with F6 Bios - Dead Board
    MB = EVGA X58 Classified3 e770
    GPU = 2x Sapphire r9 290x in xfire
    HD = 2x Toshiba 120GB Raid 0 (580MB Read/140MB Write)
    Storage = 2TB WD Black
    PSU = EVGA SuperNOVA 1300w
    Case = Cooler Master HAF-X 945

    HTPC / Home Server
    OS = Win7 64Bit running XBMC HTPC Front end with Windows Server 2011 Virtual Machine with 8GB ram assigned for homer server with exchange
    CPU = AMD 1090T
    Mem = 16GB 1600Mhz Kingston RED Limited Edition running at 1600Mhz
    MB = Gigabyte 790FXTA-UD5
    GPU- EVGA GT210
    HD = too many to count, but about 5TB of storage all together including backup
    PSU = Corsair TX750
    Case = Too embarrassed to mention.

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