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Windows 7 "atikmpag.sys" error when latest ATI drivers installed (64 bit)


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robot--monkey5's Avatar
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04-Jan-2011, 11:09 AM #1
Exclamation Windows 7 "atikmpag.sys" error when latest ATI drivers installed (64 bit)
Right. Quite a major error here, relegating me to my netbook, but here we go...
I recently (Last week) recieved my new baby- a quad core, 1 GB GPU, 4 GB RAM system, with 1 TB HDD. A step up from the last rig that died, roughly 4 times better, in fact.

Well, my adoration was short lived.
Installed Windows 7.
Good.
Installed the ASUS drivers from the CD.
Good.
Downloaded the latest ATI drivers from the website.
Good.
Downloaded Steam, and the recently purchased L4D2.
REALLY good.

Here, the first problems reared their heads...
L4D2 would suddenly hang at random, whether there was lots of onscreen or system activity or not, but just for a few moments.
Then, it would be a task manager stop-process job.
Then, upon boot... SHOCK, BSOD!
With an atikmpag.sys error.
Using nouse, I googled this on a seperate machine.
After MUCH trawling, I found it may be the video driver-
BAD.
So, safe mode boot, uninstall driver, notice vertical bands of discolourment on resolutions of 1280x1024...
BAD.
More pixelated patches of discolour on lower res.
Anyway, boots up fine minus drivers.
After much experimenting trying to get the drivers back, without using the ATI Catalyst manager, which can apparently cause issues, I decided to **ck it, and install XP, which doesn't get the atikmpag.sys error.
No.
It just wipes all the drivers off the motherboard; IE sound, wireless adaptor, GPU, etc.

HELP.
PLEASE.

-Liam Howell, damned depressed student, and owner of 375 quid pile of uselessness...
TekTime's Avatar
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Join Date: Sep 2009
Location: Inland Empire, California
04-Jan-2011, 12:43 PM #2
1.) What's the make and model of the computer that you are having problems with? Is it a custom build or a "brand" model?

2.) Did the computer come pre-installed with Windows 7, or did it have another OS installed such as XP?

3.) Did you try using the ATI drivers that Windows 7 includes for the video card?
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04-Jan-2011, 12:48 PM #3
TekTime
1) The PC was technically a custom- specced on PC Specialists.
2) As it cost 80 quid extra, and I had a copy lying around, no.
3) Yes, however, I did alternate between ATI and Windows 7's drivers in the vain hope it would help, akin to a cat pawing at a fishbowl, desperately hoping the next time shall be different...
TekTime's Avatar
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Location: Inland Empire, California
05-Jan-2011, 03:10 PM #4
Unfortunately, ATI has poor driver support, and I have experienced many different problems with the drivers. Have you tried downloading and installing the Vista driver for your video card?
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09-Jan-2011, 09:01 AM #5
The problem was that the video card appears to have been faulty- I took it out and am now using the onboard one.

I am, however, unimpressed with this fix :/
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ati radeon hd5570, boot, problem, windows 7 64-bit

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