Q: The screen on my MacBook is pixelated for a few seconds when I first open it. What does this mean?
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Aug 9, 2015 9:46 AMby jeremy_v,HelpfulHi slream616,
Thank you for visiting Apple Support Communities.
If the screen on your MacBook sometimes looks pixelated for a few seconds when you open the lid, I have a few suggestions that can help troubleshoot the situation.
Start with these hardware resets mentioned in Apple computers: Troubleshooting issues with video on internal or external displays:
Reset the system
You can reset the Mac's parameter RAM and SMC.
Next, start your Mac in Safe Mode to see if the same thing happens there:
Starting up in safe mode
Follow these steps to start up into safe mode.
- Start or restart your Mac.
- Immediately after you hear the startup sound, press and hold the Shift key.
- Release the Shift key when you see the Apple logo appear on the screen.
After the Apple logo appears, it might take longer than usual to reach the login screen or your desktop. This is because your Mac performs a directory check of your startup disk as part of safe mode.
To leave safe mode, restart your computer without pressing any keys during startup.
If you don't hear a startup chime after pressing the power key, see what to do if your Mac won't turn on.
(From Try safe mode if your Mac doesn't finish starting up - Apple Support)
Safe Computing.
