MacBook Pro 2012 Screen Issue
Once a while, this part of my Macbook's screen starts acting up and it goes away on its own. What can the issue be and how can I fix it?
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Once a while, this part of my Macbook's screen starts acting up and it goes away on its own. What can the issue be and how can I fix it?
Please check if you have same issue in safe mode.
https://support.apple.com/en-us/HT201262
Note: Safe mode prevents your Mac from loading certain software as it starts up, including login items, system extensions not required by macOS, and fonts not installed by macOS. It also does a basic check of your startup disk, similar to using First Aid in Disk Utility. And it deletes some system caches, including font caches and the kernel cache, which are automatically created again as needed.
Also perform Apple Diagnostics Test:
How to use Apple Diagnostics on your Mac - Apple Support
You may need to get in touch with Apple service or Apple Authorised service for a repair.
Please check if you have same issue in safe mode.
https://support.apple.com/en-us/HT201262
Note: Safe mode prevents your Mac from loading certain software as it starts up, including login items, system extensions not required by macOS, and fonts not installed by macOS. It also does a basic check of your startup disk, similar to using First Aid in Disk Utility. And it deletes some system caches, including font caches and the kernel cache, which are automatically created again as needed.
Also perform Apple Diagnostics Test:
How to use Apple Diagnostics on your Mac - Apple Support
You may need to get in touch with Apple service or Apple Authorised service for a repair.
MacBook Pro 2012 Screen Issue