Odd video glitch.

[Martinhunt]

Hi, and thanks for taking the time to look.

I dont have any screencaps because I'm at the office at the moment, but when I get home I'll post some. The video will suddenly get a bunch of horizontal one inch lines with the colors presently on the monitor all jumbled up. The OS itself isn't locking up, everything is working fine behind the graphics glitch, except for the display itself.

I've updated the NVidia drivers, first with the Win 7 RC drivers on Nvidia's site, then rolling back to Vista drivers.

I didn't think that would fix the problem and it didn't. The odd part is, I've noticed after checking different things that it does it when the CPU fan speeds up, and goes away about 3 seconds before the fan slows down.

/shrug

I typed out the system I'm running when I registered this account, not sure if that is viewable by other users, if it isn't I'll post my system specs and get some pics up later.

 

[Antman]

...The odd part is, I've noticed after checking different things that it does it when the CPU fan speeds up, and goes away about 3 seconds before the fan slows down...

Loosely translated: When my CPU gets too hot, the video faults.

I could be wrong. Give your case and radiators a good cleaning.

 

[Martinhunt]

But that's the odd thing, I can boot over to XP and it won't happen.
Increase in fan speed = rising cpu temp = under load, but the fact it's occurring in 7 and not XP has me stumped.

EDIT: Took the can o' air to it and no change.

 

[Antman]

OK, just to clarify - in XP, does the CPU fan speed up and not cause the issue? May be a moot point anyway.

The driver thing - you updated and rolled back as a response to the issue, or the issue occurred after the driver dance?

 

[Martinhunt]

Yep, in XP I can hear the fan speed up and nothing happens on the screen, in 7 speeds up and video glitches.

The problem began occuring right after win 7 install, before any drivers were changed, continued after Nvidia drivers were changed to 7, and still persisted after changing them to Vista.

It's safe to rule out software at this point I'd think, but the whole "not happening in XP" has me stumped.

 

[Antman]

Interesting. I have to go play Daddy for a bit. I hope pparks1 or MD pop in.

 

[Martinhunt]

Ok Aero uses a constant video overlay that didn't exist in XP...
Perhaps this caused the card to work harder, and caused a capacitor to overheat or distend, which means the card is working at a minimal capacity now...

Pulling the card to check for funny looking capacitors. Will update.

 

[SquonkSC]

Ok Aero uses a constant video overlay that didn't exist in XP...
Perhaps this caused the card to work harder, and caused a capacitor to overheat or distend, which means the card is working at a minimal capacity now...

Pulling the card to check for funny looking capacitors. Will update.

Hi Martin,

I've seen a couple of similar cases pop up.

There seems to be a pattern there.

All cases I've seen have no trouble with XP, no trouble with Win7 32bit, but all have trouble with Win7 64bit.

And all of the cases have AMD 64 X2.

If I would have to make an educated guess I would say the cool & quiet drivers and or chipset drivers for X64 are the culprit.

I am suspecting they have wrong dividers in them what makes the fans come on too late, or turn to slow.

You could try getting AMD's latest chipset for your machine, and the latest Cool & Quiet driver for your rig.


If that doesn't help, you could try (for experiment sake) install Win7 32bit and see if the problem goes away.


If so, I think we have found a real bug of importance that MS needs to address asap.

Good luck.

 

[Martinhunt]

Back again guys.

Ok, popped out the vid card (and looking over my previous posts I realize I said CPU, I meant GPU, it's the GPU fan that is speeding up, not the CPU fan. Sorry! ), I see absolutely nothing that would indicate a fried card.

Popped it back in, booted into XP, loaded Vistamizer to get XP as close to Vista as I could, started up Winamp, and started Milkdrop 2.0 visualization, and loaded Turok...all are running with the GPU spinning it's heart out, no video glitches.

All I can figure is it HAS to be something along those lines Squonksc.
The only problem is, I AM running 32-bit! What is going on here?!

 

[SquonkSC]

Back again guys.

Ok, popped out the vid card (and looking over my previous posts I realize I said CPU, I meant GPU, it's the GPU fan that is speeding up, not the CPU fan. Sorry! ), I see absolutely nothing that would indicate a fried card.

Popped it back in, booted into XP, loaded Vistamizer to get XP as close to Vista as I could, started up Winamp, and started Milkdrop 2.0 visualization, and loaded Turok...all are running with the GPU spinning it's heart out, no video glitches.

All I can figure is it HAS to be something along those lines Squonksc.
The only problem is, I AM running 32-bit! What is going on here?!

Hmm, don't know where I got the notion you were on 64bit. Must have confused it with other poster.

Try the Cool & Quiet drivers from AMD website, and try finding latest chipset drivers.

It must be bug in Win7 both 32bit and 64bit in combination with internal GPU's.

 

[Martinhunt]

That'll be my next stop Squonksc.

It seems to have something to do with the driver release for the 7000 series + Win 7. I'm assuming no one running Vista ran into this issue or else I would have found something similar in digging for posts.

Anyway, I downloaded driver sweeper and from safemode ran it and got rid of my Nvidia drivers, rebooted with basic video support.

No problems aside from a lack of 3d acceleration even with GPU fan running. Installed the drivers. BAM, video bugged out when GPU fan kicked on.

 

[Antman]

Bump your voltage up on notch on the PCIe.

 

[Martinhunt]

Haven't had a chance to do that Antman, will give that a try if the problem persists after a clean install to Win 7 x64. I'm hoping that it is just some buggy Nvidia 7 series driver issue rather than a hardware issue. I am relatively positive that is the case since the problem was not occurring in Win 7 safe mode while the GPU was under stress.

If it still occurs, I will try upping the voltage, if that doesn't help, I think I'm gonna have to go with a PSU upgrade.

Although my money is on the Nvidia drivers being the culprit.

 

[Martinhunt]

And I would have lost that bet.

Thanks for the help guys. I've consigned myself to the fact it's likely my PSU. I did two installs of x32, one just installing over my WD10k drive and the other was a fresh install after formating from comm prompt. Then when that didnt work, I reformmated again and this time went with x64. It went for a bit without any issues but soon as I popped on an episode of boston legal the gpu fan started to whir and screen went crazy.

Judging from the various drivers and fresh installs I did, the screen shot showing no problems, I can only assume that when the GPU comes under stress, my PSU just isn't strong enough to deliver it the juice it needs. I was really hoping this wasnt the case, but I am running a OCZ 440W Powerstream for an AMD X2 4400 OC'd to 2.37 (yes, put it back at normal to test), 7900GT, 6 HDDS, 2 optical drives, Audigy ZS 2, ATI TV Tuner, and 2 cold cathode tubes, and 4 Chassis fans. It has held up until it met Win 7, but I think with the graphics requirements of Win 7, it's just not enough juice to run it all. The only other option is trying a different vid card.

Anyway, this unexplainable issue has been my one and only snafu with Win 7, and I do think MS has surpassed themselves with this OS. Thank God, no more vista. (XP is to 7 as ME is to Vista?)

 

[Zidane24]

Good to know...will ask to have the thread marked solved...Enjoy Windows 7

 

[MrPeapers]

Wow, it's nice to see "old school" responses as well as "new school" but reviewing all the forums and being a listner rather than a talker I have seen this.

GOOGLE IT. You will not have an engineer call you back. You will be stuck like me and move on. XP was flawed for years and MS took Vista and (2000'nd it) and we have windows 7. It's Vista with all the failures fixed. I have been using Win 7 for almost 6 months now and testing it dramatically. What I have found is this. It's Fixed Vista.

I can only say it works. It works great. But when I have an issue like i DO TODAY i CANT EXPECT A PHONE CALL, NOR AN EMAIL. I am just a Vista.c beta tester.

Sincerely,
Jason Schmidt
MrPeapers
[email protected]

 

[Antman]

I believe that there is a fundamental system requirement for Windows 7 that has not been announced. High quality PSU. There are too many issues that involve stable power distribution on the mobo.

I am waiting for an engineer to call and explain it to me.