I have a problem, if I try to change the desktop them , my screen goes black and starts flashing on and off, its the same if I go online, the only way I can get it back to my desktop is to click on the the personalize window in between flashs and click on the windows 7 basic them, then its normal again, It must have something to do with high contrast because it was ok until I click on high contrast, every thing else is working fine, one more thing I have a 250 gb sata hd, when I looked at the hd in properties, its telling me I have 172 gb used space and 60 gb of free space, this can't be right I just installed win 7 on wednesday,
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