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HP Recommended
Probook 4530s
Microsoft Windows 8 (64-bit)
My laptop start to make refreshing by itself it blinking I can't open anything when I press ctrl+alt+delete the process open a lot of apps in the background process and I can't end any task because the apps also blinking I don't know what to do I hope there's a solution without erases anything in the laptop
Help
* it was windows 7 we update it to windows 8
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