Georgie967 wrote:
Hello there. I have this screen issue with a brand new m3 max with Sonoma 14.5. As you can see in the video the screen does something like a glitch/refresh (not only in youtube everywhere). I tried 2 clean installations resets, safe mode and various settings but nothing works. Any ideas?
Also my internal card reader doesnt recognise sd cards. If i use them with usb reader they work fine but in the built in reader they dont show up...
https://youtu.be/ueY5o0xnhQg?si=X6OwKdA_nmaGXipU
the basic to trouble shoot further:
unplug all non-essential peripherals when testing
Uninstall all third party apps that are Cleaners/Optimizers/VPN/Anti-Virus
all known to cause issues on the macOS
—A SafeBoot Use safe mode on your Mac - Apple Support will sort many anomalies
Does a quick disk repair before it fully boots up, and certain system caches get cleared and rebuilt, third party system modifications and system accelerations are disabled temporarily.
Login and test. Reboot as normal and test. Caches get rebuilt automatically.
This test will tell you if third party interference; most extensions etc are not loaded in safe boot mode.
—Test issue in another user (or guest user) account Change Users & Groups settings on Mac - Apple Support
This will tell you if it a universal issue or isolated to your user/admin account.
the user Diagnostic...not as definitive as Apple's own AST2 (Apple Service Toolkit) back bench diagnostic, but may kick out an error code, if no insight take it in.
Use Apple Diagnostics to test your Mac
Use Apple Diagnostics to test your Mac - Apple Support
You can try the revive or restore Mac firmware - Apple Support
How to revive or restore Mac firmware - Apple Support
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"
Genius Bar Reservation and Apple Support Options - Apple
Outside the USA
Contact Apple for support and service - Apple Support
