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My wife has started to find her Windows 7 machine is running very slow for web browsing. This seems to have come on over the last few weeks, previously there wasn't a problem.

It doesn't seem to be any different using Opera or Firefox, Chrome just crashes the moment she tries to run it.

As far as we know the drivers for the machine are up to date.

When we ran Ubuntu off a boot CD it was lightning fast so the network and hardware seem to be fine, it just seems like there's something going on in Windows that is getting in the way.

Changing Antivirus ( AVG ) and security settings doesn't seem to make a big difference. Process Explorer doesn't show anything untoward going on in terms of resource usage.

I'm almost out of tricks- what should we be testing or exploring next to close in on the problem? Chrome seems more vulnerable to problems with networking so I'm wondering if somethign could be up with drivers, but windows thinks they are up to date.

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What do you mean by slow browsing?

I experienced very slow website display and the browser lagged when scrolling.

This was due to graphics drivers. I was surprised since I had the right (and correct) drivers. Once I uninstalled the drivers and reinstalled the latest from my vendors web page, everything went back to normal.

I assume some of the updates might have corrupted the drivers.

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+1 might be a driver issue. –  ukanth Jul 21 '10 at 10:02
    
That is very interesting- pages are slow to load and slow to display. Hadn't thought of graphics drivers being a possible candidate at all. –  glenatron Jul 21 '10 at 10:33
    
It took me a while to figure out what was the problem. The only reason I tried the solution was my experience with Linux where there were problems with 2D acceleration. –  GoldenThunder Jul 21 '10 at 14:17
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