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Weird Start-Up Glitch

Last response: in Graphics & Displays
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October 21, 2013 7:53:03 PM

So I built a new PC with these specs:

PSU: Corsair TX750W
GPU: Gigabyte HD7970
CPU: Intel i5-4570
Mobo: Asus B85M-G

When booting the computer sometimes the screen will glitch out and look really weird. As soon as windows boots it will blue screen and the PC will restart itself. After restarting everything is perfectly fine. I have no clue as to why this happens randomly...

More about : weird start glitch

a c 142 à CPUs
October 21, 2013 7:59:54 PM

What version of Catalyst are you using? Also, are your chipset drivers up to date?
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October 21, 2013 8:03:13 PM

Catalyst is version 13.9
The Chip set is fully updated
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a c 142 à CPUs
October 21, 2013 8:07:22 PM

BIOS at most current version?
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October 21, 2013 8:09:27 PM

COLGeek said:
BIOS at most current version?


updated the bios today to the latest version. Same problem
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a c 142 à CPUs
October 22, 2013 4:29:21 AM

These are often driver or BIOS issues, so that is why the easy questions were asked first.

When the system operates, how are your idle and loaded temperatures?

Also, I suggest testing your memory, to rule it out. A diagnostic tool like memtest (see below) should be used.

http://www.memtest.org/ (download, burn ISO to CD, boot from CD, run tests)
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October 22, 2013 12:58:45 PM

COLGeek said:
These are often driver or BIOS issues, so that is why the easy questions were asked first.

When the system operates, how are your idle and loaded temperatures?

Also, I suggest testing your memory, to rule it out. A diagnostic tool like memtest (see below) should be used.

http://www.memtest.org/ (download, burn ISO to CD, boot from CD, run tests)


idle temp of GPU is 34C and CPU is 33C.

I tested the mem in another pc and it works fine

I'm almost certain its the GPU because sometimes the PC will seem to boot up normally however the GPU driver will not load. To fix this I have to restart the computer 1-2 times. All of these issues are only on start-up. once the computer boots up normally there is 0 further problems
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a c 142 à CPUs
October 22, 2013 1:02:22 PM

Double check that the GPU is properly inserted into (and locked in) the x16 slot. Also double check the PCIe power connectors to verify that they are firmly connected as well.

Did you run memtest or just move the memory to another PC to see if it would work okay?
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October 22, 2013 2:40:30 PM

COLGeek said:
Double check that the GPU is properly inserted into (and locked in) the x16 slot. Also double check the PCIe power connectors to verify that they are firmly connected as well.

Did you run memtest or just move the memory to another PC to see if it would work okay?


So I ran memtest and it returned no errors.

I checked everything inside the case. everything is connected properly and locked in.

CPU temp under full load is : 58C

GPU temp under full load is : 64C

I also checked the BIOS of the GPU and its the latest version
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a c 142 à CPUs
October 22, 2013 2:43:28 PM

Are you overclocking anything (CPU, GPU, memory)?
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October 22, 2013 2:44:52 PM

COLGeek said:
Are you overclocking anything (CPU, GPU, memory)?


Everything is on stock clocks. Nothing OC'd
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a c 142 à CPUs
October 22, 2013 3:55:14 PM

What model of Gigabyte HD7970 do you have (specific model number found on box and on label on backside of video card)?
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October 22, 2013 3:59:53 PM

COLGeek said:
What model of Gigabyte HD7970 do you have (specific model number found on box and on label on backside of video card)?


GV-R7970C-3GD

rev 2.1
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a c 142 à CPUs
October 22, 2013 4:12:57 PM

That is a factory overclocked GPU. I suggest doing this. Go into Catalyst and ensure Overdrive is enabled (in the Performance section). Then downclock the GPU settings to the stock speed of 925 Mhz (probably at 1000 now). Set the memory speed to 1375. These are stock HD7970 speeds. Save the settings and restart your rig.

If the system is now stable (you may need to run for a couple days), I suggest you RMA the HD7970 becuase it isn't performing as it was intended to. I have seen other factory OCed GPUs do this.
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October 22, 2013 4:56:01 PM

COLGeek said:
That is a factory overclocked GPU. I suggest doing this. Go into Catalyst and ensure Overdrive is enabled (in the Performance section). Then downclock the GPU settings to the stock speed of 925 Mhz (probably at 1000 now). Set the memory speed to 1375. These are stock HD7970 speeds. Save the settings and restart your rig.

If the system is now stable (you may need to run for a couple days), I suggest you RMA the HD7970 becuase it isn't performing as it was intended to. I have seen other factory OCed GPUs do this.


I'll try this and see if the problem persist or not...
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a c 142 à CPUs
October 22, 2013 5:12:16 PM

Good luck! Please follow up when you have some results.
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October 22, 2013 6:50:29 PM

Doesn't seem to have made a difference. Still getting blue screens with the same message as usual.

edit: seems the adjustments have to be made from OC Guru? The Clocks reset themselves to 1000/1375.
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October 22, 2013 7:18:41 PM

COLGeek said:
Go here and get the newest firmware for your HD7970. F3 is the newest. Instructions on how to flash are linked near the bottom of the page.

http://www.gigabyte.com/products/product-page.aspx?pid=...


I tried this earlier but for some reason the programs they provided don't work. In the @BIOS program I just get an error when starting the program and in the other the "bios setting" button is locked for some reason. Also I'm not sure if I can go from F72 to F3. I heard somewhere that you can't but not sure about this.
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a c 142 à CPUs
October 22, 2013 7:41:24 PM

I am out of ideas. There is a setting you can change in your BIOS to force the PCIe x16 slot to operate in Gen2 mode (makes it work like a PCIe version 2.x vice 3.0 slot). This is used in some mobos to increase stability.

The info is on page 2-28 of your manual. This tweak shouldn't matter, but might be worth checking out.

Regarding the @BIOS program, make sure to run as administrator. BTW, according to the dates, the F3 is the newest of the firmware releases for your HD7970. Does it have F72 on it now?
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October 22, 2013 8:28:05 PM

I tried the gen2 setting. same problem. the VGA@BIOS program magically started working and I tried to flash the bios with that but it said BIOS version does not match. I read a note on the gigabyte website saying BIOSs could only be flashed to a bios in the same series ex. F1->F3 F72->F74 (Doesn't exist, just an example). So yeah guess I'm stuck with this BIOS.

Just as a side note there is only 3 parts in this PC which are actually new (haven't been used before). They are the Mobo, The CPU and the GPU. So technically speaking the problem could be coming from any of the three. I do suspect its the GPU though due to the nature of the problems and the fact that the bluescreens lists an ATI file as the culprit. I have tried re-installing the ATI driver multiple times but it makes no difference.

The GPU is still under warranty so I think I'll take it back and exchange it for a GTX670(That's the Nvidia equivalent right?) or a R9 280X.

Thank-you for your help COLGeek.
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