Press and Hold the CTRL and ALT key on the Keyboard and then try pressing the UP or DOWN key.
NOTE: This will work if the Graphics or Video Driver Utility is running in the System Tray.
If the Graphics or Video Driver Utility is not running in the "System Tray" then reinstall the Video Driver in the Computer and then follow the same steps to rotate the screen.
i can not log to my account on my laptop and login passward is also correct but it shows only...
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i can not log to my account on my laptop and login passward is also correct but it shows only loading on screen