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Memory controller load 1% in-game

red4100

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#1
Whenever I play a game for about 3-10 mins, the GPU's memory controller load drops to 1/0% and the GPU load goes to 99% - this happens in all games. The temperature doesn't exceed 83 C, with an average of 74 C.

It started about 2 months ago, but has gotten very bad recently. I have the latest drivers etc. and have had the system (a laptop) since december '10.

Anyone had this problem? Any suggestions.
 
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#2
What game do you play?

Is it just one game, or a multitde of games?

What exact gpu and make/model do you have?
 

red4100

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#3
It's in all games; some I am able to play for longer (eg TF2) than others (eg ME2) before this happens. It's an nvidia geforce GT 325M (1GB) - it came with the laptop, I don't know the manufacturer.
 
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#4
tried a full driver reinstall?
 

red4100

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#5
I've tried rolling-back & reinstalling the drivers, with no effect. Over those 2+ months I installed several different drivers & none of those solved the issue.
 
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#6
It's in all games; some I am able to play for longer (eg TF2) than others (eg ME2) before this happens. It's an nvidia geforce GT 325M (1GB) - it came with the laptop, I don't know the manufacturer.
That could be a possible explenation, laptop gpu's are more different than desktop versions.

I'd look at updating your drivers, and not just your video drivers. Look to update your chipset drivers as well. :)
 
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#7
i ment a proper full uninstall / delete all of the nvidia driver files.
reboot and then reinstall them.


make sure you delete the C:\Nvidia folder.
 

red4100

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#8
I'll try that thanks!
 

red4100

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#9
Tried fully deleting then reinstalling drivers - didn't work. I can't update my BIOS because MSI doesn't seem to make an updater that works in 64-bit windows 7
 
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#10
I have had the same problems on my gtx260. Is your card running hot or is it over clocked? the main reason my card was doing this was a high and unstable over clock. maby try lowering the clock speed? or crank the fan up full.
 

red4100

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#11
I haven't tampered at all with it - it just started doing it for no reason - it's not overheating as far as I can tell (is an average of 74 C high?).
 
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#12
To me 60 deg is hot but for vid card i would say under 80 deg is fine. just try to crank your fan up and see if that helps at all.
 

red4100

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#13
How would I do that on a laptop?
 

red4100

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#14
Thing is though, that the temperature remains pretty much constant throughout - even when the memory controller load drops; so I don't see how temperature is an issue. Plus the fact that it didn't use to do it until recently.
 
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#15
To me 60 deg is hot but for vid card i would say under 80 deg is fine. just try to crank your fan up and see if that helps at all.
these things are rated to 105'c, i don't think its the temps, at least not those of gpu -core
 
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#16
I thought it was a desk top.
I dont know what the problem could be then.
 

red4100

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#17
Okay. I've tried uninstalling the current driver and installing the one the laptop shipped with, with no success; so it's not a driver issue.

I'm really despairing here - if I can't fix it that's money down the bog.