For Online Computer Support, Ask a Computer Technician
Hi my name is ***** ***** I will be the expert working with you today to help resolve the problem you have posted.
Press and hold down the power button for 10 seconds the computer must shut down, wait for 2 mins and then power it back on.
If you see the screen picture horizontal then you press and hold down Ctrl, Alt and the arrow key.
let me know if you need any help.