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I have a ASUS K52JC model notebook. It has double graphics cards, the one is "Intel HD Graphics", the another one is "Nvidia GeForce 310M". Nvidia graphics card uses "Nvidia Optimus Technology" which facilitates switching between graphics cards according to performance needs of an application.

Having some compatibility problems with older games, I decided to disable this switching technology in order to get only Nvidia card to be used. Eventually, I uninstalled Intel graphics card driver to disable it but It helped nothing because Nvidia card depends on Intel card. After then I installed Intel HD Graphics card again.

Anyway, my actual problem is Intel graphics card driver is not initialized by Windows 7. I'm getting the error code : "Windows cannot initialize the device driver for this hardware. (Code 37)". I tried reinstalling and updating device driver several times, also running system file checker. Remarkably, I had a system restore attempt that resulted in failure.

Is anyone experiencing the same problem? How can i analyze the system further to solve this problem? Is there any tool to diagnose this situation?

Waiting for your responses.

Thanks.

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Have you tried using System Restore to go back to the restore point before you removed the intel drivers? This is a built-in feature in Windows and unless you intentionally turned it off then you should be able to go back. –  Mokubai Aug 3 '13 at 14:16
    
Yes, I should have mentioned it. I tried restoring the system to all available restore points using System Restore but all have failed. –  user6994 Aug 3 '13 at 14:24
    
where are you aquiring the intel grafics driver from? With Asus , you should probably get it from Asus, making sure you have the exact correct model and all. start there asus.com to account for any regional difference, then go to "Support" at the top of the page, then to "self support" "drivers" then enter your K52JC then enter your correct OS. –  Psycogeek Aug 4 '13 at 0:23
    
I've already acquired the driver from the original manufacturer's site which is Asus.com. I haven't used a driver other than it. And I'm afraid this is a part of the problem. –  user6994 Aug 4 '13 at 11:35
    
I've recently used ComboFix malware cleaning utility to remove some malicious programs from my computer. I've heard about Combofix that it deletes some system files which is necessary and thus system integrity is broken. Can Combofix cause such a driver problem because of deletion of system files. –  user6994 Aug 4 '13 at 11:40

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