Hi, welcome and thank you for your question. My name is ***** ***** I am glad to assist you today.
I am very sorry about your issues. Have you tried to adjust the brightness in the PC settings area on your screen? Position the mouse pointer at the bottom right, and in the panel that appears, click on Settings. There try to adjust the brightness of the screen or display.
Please let me know your results by replying to me here so that I can help you further.