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Help Diagnose My Problems

post #1 of 11
Thread Starter 

Hi All

About a month ago I purchased two ATi HD6850's for crossfire on my sig rig...

Noticed no problems except for that now I couldnt hibernate Vista (well I could, but it wouldnt resume from Hibernation) which after much effort and research I discovered was a Vista problem rather than the cards.

However I have noticed a few more problems which I hope all you super intelligent beings can help me with:

- When crossfire is disabled Hibernation works, however with crossfire disabled sometimes coming from a full system boot (as in turn it on) windows fails to start (screen comes on but eventually just goes black) have to reset and it usually works the second time.
- When crossfire is enabled hibernation doesnt work (it wont resume out of hibernation) but turning the computer on works every time.

Those two are the random powering on/off problems... However Ive noticed these two problems also...

- With crossfire enabled in NTW I got this:


and...

(this one being the random white things across the screen)
Both these problems stop when crossfire is disabled.

- The other day I was playing Borderlands with my mate, and with crossfire on and the game started fine, played fine for awhile and then randomly started distorting... I didnt record it sadly but basically horizontal lines of the displaying graphics appears on the screen sorta like this mock up I just did in paint:


So in the example the game is rendering a A lol but it has these random horizontal lines coming from it... Imagine that but with everything its displaying on screen.


Random Info You Might Want:
- I run both cards at 30% fan... Temps dont get above 75... CPU doesnt get above 46.
- Games run maxed out at 1680x1050

Any help in solving this would be greatly appreciated... They are both new so I can return if needed...

Thanks
Edited by Stilldawn - 2/17/11 at 2:48pm
post #2 of 11
Thread Starter 

More of the problem... This happened just now in Supreme Commander 2...

Can any one help Im totally stumped...

post #3 of 11
Thread Starter 

More of the same again... This time it almost looked like it was trying to do split screen multiplayer (you know like old games did back in the day)

post #4 of 11
Thread Starter 
Grrr... Ok now it is happening on every single game without fail... please I need some suggestions etc... Help!
post #5 of 11
Broken Xfire link cables?
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post #6 of 11
Tried a different monitor? Got any spare cables you can try?
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post #7 of 11
Thread Starter 
Man this is annoying

I disabled crossfire, and then tried NTW again, the split screen is gone so thats good but in game have the texture were rendering wrong... (I played a land battle but it the land was covered in water)

I just ran GPUtool and it flickered... Didnt show any artifacts, but one thing I noticed was I was only getting 7.4 fps... What the hell?

Quote:
Broken Xfire link cables?
Can that cause this? I only have the one that is long enough...

Quote:
Tried a different monitor? Got any spare cables you can try?
The monitor seems fine most of the time though (like on desktop) its only really games...
post #8 of 11
Thread Starter 

Damn it... Now this is happening in IE grrr...

post #9 of 11
Thread Starter 
Just did some random tests.

Took the cards out, then placed them in one at a time... Each time I booted up to windows and tested...

Both cards get around 7.5fps in gputool with no artifacts detected... Both cards also get 25.33 ish in GPU1 test in 3dmark Vantage...

So now Im really stumped as neither card is showing any difference... Are the numbers above normal for a single 6850???

One thing I noted is that one on of the cards it did the freeze upon windows loading thing where the screen goes blank and a reset is required...

Any ideas?

My mobo (Asus m4a79t deluxe) has the two main PCIE slots somewhat appart so I have to use the Asus Crossfire bridge provided as only it is long enough to reach the cards... So I cant test this at all sadly...

I dont know what else it could be... Ive had the rest of the PC for a while now (just over a year) with no problems like these at all...
post #10 of 11
If it works with only one card at a time I would definitely start looking at the crossfire cable or the motherboard. Have you tried a single card in different PCI-E slots? just to rule out a faulty slot. also may be worth just having a look through your bios settings to make sure they are all as should be.
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1000W Be Quiet! Power Zone CM Storm Stryker Coolermaster Xornet II Steelseries Qck Heavy 
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FiiO E10K Headphone Amplifier and DAC  Sennheiser HD598 HTC Vive VR 
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i7 4770k Asus Maximus VI Extreme MSI Radeon R9 290X Lightning LE MSI Radeon R9 290X Lightning 
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Kingston HyperX Samsung 840 Evo Crucial M4  Transcend SSD370 
CoolingOSMonitorKeyboard
H110i GT Windows 10 Professional x64 Benq XL2730Z CM Storm Quick Fire TK 
PowerCaseMouseMouse Pad
1000W Be Quiet! Power Zone CM Storm Stryker Coolermaster Xornet II Steelseries Qck Heavy 
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FiiO E10K Headphone Amplifier and DAC  Sennheiser HD598 HTC Vive VR 
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