How I make secondary screen stop????

[helpmeplease878]

I have a lenovo TAb 8 I pressed 4K secondary screen display and now i can’t even unlock my device, PLEASE HELP I AM BEGGING YOU

PLEASE SOMEONE HELP ME I NEED HELP WITH THIS PLEASE RESPOND

 

[B. Diddy]

Welcome to Android Central! Is it the Tab 3 8, Tab 4 8, or some other "8"? Are you able to boot into Safe Mode? https://support.lenovo.com/us/en/solutions/ht504261