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Thread: GTX 750ti + Gigabyte motherboard = PC boots but no image. Where the issue is coming from?




  1. #1
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    Default GTX 750ti + Gigabyte motherboard = PC boots but no image. Where the issue is coming from?

    Hi

    I've bought a MSI GTX 750 ti (without PCI-Express connector, only powered by the PCI slot) to improve my PC (based on a motherboard Gigabyte ga-ma785gmt-ud2h rev 1.1, roughly 5 years old, and an Athlon X2), play and mine a bit.

    At the time, my PC was booting and was even reaching windows (i know it as my wifi dongle is only turning on when windows has started), but without anything on screen. I was using a HP 300w PSU, so i was advised to change it for something more powerful and stable.

    I've purchased an Antec 600w bronze PSU, and then the GTX was working. Nonetheless, since one month, every now and then, i had the same issue that with my old PSU, the PC boots but without anything on screen. I am generally able to fix this by unplugging/plugging the components inside my rig.

    I thought this issue was again deriving of the PSU (it was emitting an annoying hissing/rattling noise), and changed to a 550w platinum of high quality, but this time, the GTX wasn't displaying anything. I switched back to the Antec PSU and it worked 70% of the time as explained.

    I have dealt with this tiresome situation until today, when regardless of my manipulations, the PC boots but i don't have an image. I'm currently using an embedded graphic chipset in my motherboard as a last resort while trying to resolve this problem.

    So, what do you think is the issue?


    - PSU: At first, i thought it was because of that, but i have the same problem with three different PSU, 2 news with a power above 500w which is more than enough for my rig (my CPU is like 60/70w, the GTX 750 ti is 38w and Nvidia recommends a 400w PSU).
    - The GTX 750 ti: It's brand new, and when it worked, it worked fine (good performances, no artifacts). But i'm wondering if i don't have a semi-defective unit. When checking the back PCB, there are some "strains" around some chips, wonder if it's normal (not burns, just light strains).
    - The motherboard: it's 5 years old, i'm wondering if it's not too old to handle this recent graphic card, especially as it's only through the motherboard and the PCI slot that the GTX is receiving its power. Perhaps the MB isn't reliable/stable enough in that light (although even if i don't have an image on the screen, the GTX fans are turning which would mean it's at least partially powered). I've tried another CG (an old radeon x1600 hypermemory), and it's working, so not sure if it's coming from the pci-e slot. Note that the MSI card is very long and hit a heatsink (but it hasn't prevented the card to work, when it worked). I'm using the latest bios (F10B).

    Please help

  2. #2
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    Default Re: GTX 750ti + Gigabyte motherboard = PC boots but no image. Where the issue is coming from?

    seems like poor mb bios support for that card? are you running latest bios?

    EDIT: what slot are you using the card In? pci-e 16x slot?

    could be faulty card if it was working fine before?
    Last edited by wazza300; 05-30-2014 at 08:31 AM.
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    Default Re: GTX 750ti + Gigabyte motherboard = PC boots but no image. Where the issue is coming from?

    Quote Originally Posted by wazza300 View Post
    seems like poor mb bios support for that card? are you running latest bios?

    EDIT: what slot are you using the card In? pci-e 16x slot?

    could be faulty card if it was working fine before?
    thanks for your answer,

    yes i'm using the only pci-e 16x slot of my mobo, it's pretty straightforward i can't miss it.

    For the bios, i have the latest one, the F10B. It's a beta version, released 4 years ago. Perhaps it's caused by this and i have to rollback to the F9? But seems weird to have to switch to an older version to run the GTX :/

    And it never did worked fine fully.

    1) my rig + GTX 750 ti + 300w PSU = pc boots with no image (no video signal)
    2) my rig + GTX 750 ti + 600w PSU = pc boots 7 times out of 10, 3 times out of 10 i have the case 1) and i have to unplug/replug the components inside to make it working again (but this manipulation isn't doing the trick anymore, this is why i'm posting this thread)
    3) my rig + GTX 750 ti + 550w PSU platinum = same case as 1) (which is extremely weird considering 400w should be enough according to nvidia, even less considering my 60w CPU)
    4) my rig + onboard graphic + any psu = pc boots 10 times out of 10
    5) my rig + x1600 + any psu = pc boots 10 times out of 10

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    Default Re: GTX 750ti + Gigabyte motherboard = PC boots but no image. Where the issue is coming from?

    I have received two different messages from Gigabyte technical support to my requests (sent at different time, the first time my GTX wasn't working 3 times out of 10, the second time, no signal video at all).

    In the first one, they told me it wasn't coming from the motherboard and provided me a screenshot showing techpowerup/cpu-z with the same motherboard and graphic card than me.

    In the second one, they explained that Nvidia 7 series and AMD R9 series graphic cards aren't supported by my motherboard as it's not UEFI.

    So which answer to believe? I find the second one weird as i was able to make it work for several weeks, and themselves too, but perhaps they meant that it could work but it would be instable (hence my issues)?

    Depending on which one is correct, the consequences are completely different. Perhaps my GTX is faulty, or perhaps i have to replace my motherboard :/

  5. #5
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    Default Re: GTX 750ti + Gigabyte motherboard = PC boots but no image. Where the issue is coming from?

    The only way to find out if the GTX is a bad apple, is to use it in another machine. Just for the heck of it, you can check if a newer bios has been released that fixes incompatibility issues.

  6. #6
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    Default Re: GTX 750ti + Gigabyte motherboard = PC boots but no image. Where the issue is coming from?

    Quote Originally Posted by HelpGraf View Post
    I have received two different messages from Gigabyte technical support to my requests (sent at different time, the first time my GTX wasn't working 3 times out of 10, the second time, no signal video at all).

    In the first one, they told me it wasn't coming from the motherboard and provided me a screenshot showing techpowerup/cpu-z with the same motherboard and graphic card than me.

    In the second one, they explained that Nvidia 7 series and AMD R9 series graphic cards aren't supported by my motherboard as it's not UEFI.

    So which answer to believe? I find the second one weird as i was able to make it work for several weeks, and themselves too, but perhaps they meant that it could work but it would be instable (hence my issues)?

    Depending on which one is correct, the consequences are completely different. Perhaps my GTX is faulty, or perhaps i have to replace my motherboard :/
    Hi,
    Your hybrid vbios for your MSI GTX 750 ti might not be in UEFI mode but in Legacy mode.
    It seems that your graphic card support UEFI but according to MSI website you have to enable it with a switch (located near where the pcie power connecter would have been it seems)
    Your problem seem to be similar to problems encountered in this thread:
    http://forums.tweaktown.com/gigabyte...ot-solved.html

    So it might be a good idea to check the switch (and there is probably more explanation in your GTX user manual)

    Hope it helps
    Regards
    Last edited by Teddybehr; 06-04-2014 at 12:56 PM.

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