My notebook froze but alt +f4 didnt work same as with cntrl +alt +del and turning it off through the power button.So what i did was to remove the battery.When i turn it on, the display on my screen had been doubled.The upper part looks exactly with the lower one.
The first thing I would do is eliminate a software issue. Does this happen with the boot screens, or just your operating system? If you load the bias, is the screen doubled there? Lastly, you may want to try a linux live cd or usb. If the issue is not present there, an operating system reinstall is in order. This is a very strange issue....
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