Checked VGA cable, at both ends, its secured tightly.. and no effects when I bend or try to shake it.
I can turn monitor yellow and restore it again by hitting the table, or the monitor itself. I guess I'm paying for opening it up to take out the spiders :boxing22: Possibly, it could be lose somewhere "inside" the monitor. I can open it up, diagnose and fix up, if it's up to the level I can take up, like bending wires, poking capacitors, and praying hyeah: