Gigabyte GA-970A-DS3 help diagnosing start-up problems.

Guest · Apr 5, 2016

When I start-up my PC, the motherboard splash is a series of pink, blue and green squares and lines, similar to this:

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This has been happening for while along with daily (sometimes many a day) greenscreen crashes with my Sapphire Nitro R9 380, but I could still access the desktop and run applications fine until the crash. Yesterday it crashed (green-screen) and I have been unable to get to the Windows login menu. I get the normal blue bars in the top left-hand corner of the screen, and multicoloured pixels in a small line at the top of the screen and I don't reach the login screen. I tried two other cards (one may be faulty anyway) and I got the exact same result.

Does anyone know if this is a motherboard problem, or a GPU problem, or perhaps something else? I would appreciate any help, thanks.

cin19 · Apr 5, 2016

The problem related to display, from GPU, PSU, monitor. What is your PSU?

Guest · Apr 5, 2016

Ooops, didn't mean to select your response as a solution. My PSU is a Corsair TX750M.

cin19 · Apr 5, 2016

1) Test the monitor. Or use other cable.
2) Test the GPU in other PC.
3) Try other PSU.
4) Or if your pc has onboard iGPU try it. If you have the same problem, maybe the MB or CPU has problem.

Guest · Apr 5, 2016

cin19 :

Tested the monitor with a laptop with the same cable and it is working fine. I'll try to test the GPU in another PC tomorrow. I only have my current PSU unfortunately, so I won't be able to try another one. It doesn't have an iGPU.

Thanks very much for your help.

cin19 · Apr 5, 2016

Test the PSU by paper clip method http://forum.corsair.com/v3/showthread.php?t=63991

Guest · Apr 5, 2016

My fans spin and remain spinning when I startup my PC. Is this test necessary? Sorry if this response seems stupid, I'm a noob when it comes to hardware diagnostics.

cin19 · Apr 5, 2016

You don't need it, because the fan did spin. But you will still need test the PSU in other too. Like use one of your GPU in othre PC, if the GPU works in that PC, switch the PSU to test.

Guest · Apr 6, 2016

I've tested the PSU in another PC with my current GPU and it booted to desktop without any issue. Does this mean either my motherboard or my CPU is at fault?

cin19 · Apr 6, 2016

Check the cpu to see it has the bent pin or not, the problem looks like from the MB or cpu.

Guest · Apr 6, 2016

My CPU has been installed for at least a year with the current heatsink. Is a bent pin likely to occur after successful installation? I'm a little reluctant because the my aftermarket heatsink on the AM3+ socket is very fiddly.

cin19 · Apr 7, 2016

I thought you just build the pc.
And how about the temp, if the gpu is overheat, you will have that color screen, or the GPU is going to die.

So right now can you use that pc with any GPU? or you can't use it at all.

Guest · Apr 7, 2016

No, my PC has been functioning fine for years through steady upgrades. Sorry I didn't make that clear. My GPU temp idles at 43 Celsius. The only game I have played recently (last two months or so) is Terraria - where the GPU reaches 45 Celsius.

My PC doesn't work with any GPU. All three that I tried give the exact same result.

cin19 · Apr 7, 2016

Do you try the GPU in other pcie slot (2nd) yet?

Guest · Apr 7, 2016

Yes, and I got the exact same problem.

Guest · Apr 8, 2016

Is there any way to detect whether the motherboard or the CPU is at fault without testing the components in another PC? I'm not able to do that. If not, do you know which is more likely to be at fault?

cin19 · Apr 8, 2016

Maybe the MB has problem.
Yes, there is the tool called motherboard tester. Like this but I don't try it. http://www.ebay.com/bhp/motherboard-tester

Guest · Apr 8, 2016

I'm going to assume the motherboard is at fault here - seems more likely to me. Thanks very much for your help, it's much appreciated.

Gigabyte GA-970A-DS3 help diagnosing start-up problems.

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