Hi, My name is ***** ***** certified computer professional with over 10 years experience. I will be glad to assist you with this. .I am sorry to hear that you are having this issue. Try these steps please > unplug the power cord to your computer and then hold the power button for 30 seconds, then replug the power cord and then turn on the computer and repeatedly press the F10 key for eight seconds.
Then Press the Down arrow three times.
Then Press the Enter key two times.
The computer restarts.
If the monitor is still blank please let me know.