So I got an iMac g3 dv ruby(can’t get photos since I’m out of town) 450mhz running Mac OS X 10.4.11. I ugraded it and did nothing much to it for a while, I booted it up one day since I got a external cd drive for it and wanted to test it out, I tried some games and most didn’t work, ( all old...
On my sons MacBook Pro "Core i5" 2.4 13" Late 2013 the screen has the problem as shown in the Video:
Otherwise the laptop works fine. When I connect an external screen with an HDMI cable the problem isn't on the external screen.
I cleaned the system internal, including the display connector...