Freddie959 wrote:
Hi all, part of my Macbook screen has suddenly gone grey, and flickers. Sometimes it goes, but most of the time it is on the screen (see attached image). Have tried restarting, resetting graphics chips and wiggling screen around to see if it is a faulty connection, but nothing works. Laptop seems to work fine, it's just a little annoying. Anyone know anything about this?
https://discussions.apple.com/content/attachment/cdb2959b-519e-4d78-bbca-dd0b9e6c8c7a
Screen shots come directly from the GPU—If you take a screens shot and the anomaly is present this would implicate the GPU.
If the anomaly is not present then this points to a fault with display assembly/projector cable.
Either way it appears to be hardware issue.
In or out of warranty you can get a free over the counter 'Apple Service Diagnostics' test /assessment
Make an appointment for a "hardware issue"—
https://www.apple.com/retail/geniusbar/
Outside the USA
https://locate.apple.com/country
Learn how to get your Mac fixed and how much it will cost. https://support.apple.com/mac/repair/service
Get your Mac ready for service - Apple Support https://support.apple.com/en-us/HT209095