• Adam Panek

When your mac screen looks wrong.



Try the following to fix it.


1. Shut down the Mac.

2. Turn on the Mac.Press and hold the Command-Option-P-R keys immediately after you hear the startup sound.

3. Hold these keys until the Mac restarts and you hear the startup sound for a second time.

4. Release the keys.


This is how your screen should look like after:



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