HD 7870 flickering screen and graphic glitches

WickedInvi · Jan 8, 2014

I just got my rig together today http://uk.pcpartpicker.com/b/KIc . Few hours after I got it running I decided to play some League of Legends and then noticed some flickering lines across the screen as well as graphic glitches. Also got a few BSOD but they refer to a network error or at least thats what Google says since the file that seems to affect it is NETIO.SYS. I need some help figuring stuff out before I contact the vendor and request a new unit or a refund.

thismafiaguy · Jan 8, 2014

Try another game, or several others, and see if you get the same symptoms. And are you running two 7870's in CrossFire or just one?

space1 · Jan 8, 2014

You doing any type of overclocking?

WickedInvi · Jan 9, 2014

Just single GPU and no kind of overclocking yet. Updated BIOS to the latest version and downloading latest drivers for the chipset etc. but after putting the BIOS update I just played CoD: Ghost and had no crashes and flickers only when screen goes black there is a bunch of lines across the screen until there is some kind of graphic. Still to play League of legends and see if there is still a problem there.

thismafiaguy · Jan 9, 2014

If it's not too much trouble, I would recommend exchanging your GPU. Artifacts and screen tearing of any kind under normal conditions is a sign of defect.

WickedInvi · Jan 9, 2014

I have done a bit of reading and there seems to be a number of faulty 7870's. Should I get a refund and look for another card or its just me being unlucky and should I look for replacement?

Edit: Could it be drivers issues ?

thismafiaguy · Jan 9, 2014

Yes, could be driver issues also. Use DriverSweeper to clean out all the Radeon drivers, then download and install the latest version.

WickedInvi · Jan 9, 2014

I am thinking to just request a different unit but they will be in stock in 16 days so I will be testing till then I guess. I need to find out if its just League of Legends client issue or is it the card itself. Did a few stress tests didn't see any problems with flickers or artifacts and temp was really low 50C

thismafiaguy · Jan 9, 2014

Run a few benchmarks like Unigen Heaven or 3DMark, and be sure to reinstall the drivers. I still think it's likely a defective card, but you'll want to be sure and spare yourself the extra trouble.

WickedInvi · Jan 10, 2014

I was reading some stuff and noticed people saying that they had problems within games and when they run stress tests everything was fine. Seems the case here but then I found some info that says there might be a problem with HD 78xx with League of Legends. So I will keep on testing see what happens I can't change it now anyway.

thismafiaguy · Jan 13, 2014

If I remember correctly, AMD cards used to have Catalyst Application Profiles for certain games. Maybe they still do, and maybe there's one for League of Legends.

WickedInvi · Jan 18, 2014

I was thinking since my monitor has only VGA and I am using a convertor to DVI could that be causing the flickers ?

thismafiaguy · Jan 18, 2014

That's a bit unlikely. When it comes to monitor cables and adapters, it either works or it doesn't, I have personally never seen image quality issues being caused by a cable or adapter, unless you're using a coaxial cable... But do keep in mind that VGA cables nowadays aren't as well made as before, because they are becoming obsolete, especially now that it's 2014.

space1 · Jan 18, 2014

He may be right about the adapter thing.
I have a dvi to vga adapter that gives every monitor I have connected on any gpu i use it with a yellow tint.
I put a dvi cable in or a better adapter in and it goes to regular colors again.

So maybe try another adapter just for the hell of it man.

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HD 7870 flickering screen and graphic glitches

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