Very Slow Computer - Most Likely Video Drivers

I have a friend whose computer has been acting really slow. It started after he tried updating the drivers for his graphics card (ATI X1300 Pro).  Then, some rendering seemed to be very slow (web pages displaying and desktop refreshing). When he tried to activate a screen saver, it said:
Could not find any compatible Direct3d devices
He also had this in his DXDiag log:
Display Tab 1: No problems found. Direct3D functionality not available.  You should verify that the driver is a final version from the hardware manufacturer.
He has tried reinstalling the drivers a dozen times and using Driver Cleaner Pro in safe mode after uninstalling the video drivers and restarting the computer. He has tried using ATI's method of removing the drivers with the uninstall utility. He has also tried reverting his drivers to an older version. He can't do a system restore because it always says that the system restore didn't restore successfully. Any help is appreciated. Thank you
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orangutangAsked:
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nobusConnect With a Mentor Commented:
>>   the system restore didn't restore successfully   <<   this seems to indicate problems with the OS
you can tryto :
-run sfc/Scanow from the run box, or :
-a repair install : http://www.michaelstevenstech.com/XPrepairinstall.htm
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nobusCommented:
error above - should be : -run sfc/ scannow from the run box
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souseranConnect With a Mentor Commented:
Has he tried reinstalling DirectX? Some of the ATI drivers require this. The web installer for the latest version, 9.25.1476, published on 11/11/2008, is here:

DirectX End-User Runtime Web Installer

http://www.microsoft.com/downloads/details.aspx?FamilyID=2da43d38-db71-4c1b-bc6a-9b6652cd92a3&DisplayLang=en
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orangutangAuthor Commented:
Thank you, I'll tell him today. I don't want to have to do a repair install so that will be the last thing to try.
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orangutangAuthor Commented:
Well, he said he already tried reinstalling DirectX. I was wondering if there was a more specific solution than running sfc or a repair install.
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souseranCommented:
Did he check the Event Log to see if there were any pertinent events there? If so, what were the EventIDs and Sources for them?

http://www.eventid.net is a good resource for deciphering event log messages.
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souseranCommented:
Also, when he uninstalled the driver, did he check for Hidden Devices in Device Manager?
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orangutangAuthor Commented:
Yeah, I checked the event logs and didn't find anything related to his problem.
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phototropicConnect With a Mentor Commented:
If the pc has Restore Points but they cannot be accessed, you could boot from a PE disk such as UBCD4Win:

http://www.ubcd4win.com/howto.htm

There is a Registry Restore wizard under "Registry Tools". This should enable a system restore to clear the corrupted driver.

Good luck!!!

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orangutangAuthor Commented:
Is UBCD4Win related to BartPE? Is UBCD4Win based on BartPE or the other way around? Anyway, I'll see what I can do.
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phototropicCommented:
Yeah, UBCD4Win uses Bart PE:

http://www.ubcd4win.com/index.htm

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orangutangAuthor Commented:
Well, I won't be able to test the CD for while. Is there anything else to try in the meantime?
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nobusCommented:
you can also try erd commander , http://searchenterprisedesktop.techtarget.com/0,295339,sid192_gci1212576,00.html
and the resore function there is build into it
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orangutangAuthor Commented:
Well, it looks like ERUNT saved the day again, I think. I went over to his house and restored a backup made from the ERUNT autobackup and it seems to be working okay again. Sorry I didn't think about ERUNT before. Thank you
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