Chosen Solution
How do I fix flickering screen
Have you ever opened a tablet (removed keyboard and bottom cover)? The screen is attached with a ribbon cable. It could be just loose in the socket where it attaches to motherboard. This is for screen replacement, but it should help you. https://www.youtube.com/watch?v=V-bFHycv… There is another video for reassembly https://www.youtube.com/watch?v=b2N4Lbro…