I own a Lenovo Flex 5 and I have had it for more than a year and a half. Ever since I got it, I have been having unusual graphic issues and this is one of them. I want to know if there's a way to fix this or is this a hardware issue. 
I'm having this glitch in File Explorer and I can't figure out how to fix it?
Nobody
Fix what exactly? What is wrong? The black erasures? Which you did, obviously, seeing that its overlapping the scroll bar.
EDIT: oh ok. Try changing the refresh rate.
Mike
I meant the lines that show up in the bottom left. It happens every time I scroll down
Nobody
Read the manual.
Sasha Whitefur