ATI Radeon X700 Series not working?

My apologies for not using the search feature to see if this topic has already been created and answered, but I am having a terrible time trying to scroll or even load pages. Under the device manager, I have a yellow question mark beside my video card, and when I tried to update the driver, it said something about "cannot be started" and "error code 10". I tried looking around on ATI's site but couldn't find anything that looked close to the video card I have. The driver info says "Version 6.14.10.6512". This video card was working perfectly fine earlier today, and had been for about 3 months, so it's not a compatibility problem. Someone decided to do some PC maintenance and delete some old drivers, although I have no idea how that would have any effect on the current video driver. There was also a screen that said "this device is not using any resources because it has a problem".

If any more info on my system is needed, please let me know. Thanks in advance. :)
 
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