Take a look at some in the next sections.
If you’re facing the Mac gray screen after login or at startup, there are multiple ways to try and fix the issue. If you’ve installed any new program on your Mac and it’s not functioning correctly, it’ll cause Mac gray screen error.Read More: Repair your macOS startup drive A faulty startup drive might cause the Mac gray screen with no logo.Peripheral devices that don’t have an updated firmware can lead to Mac gray screen with circle slash.A defective or unauthorized peripheral device causes your Mac to stall at the gray screen while waiting for the device to respond to the command.Reasons behind the Mac Gray Screen of Death Error So, what do you do? First off, you should try to find out all the possible causes behind a gray screen on Mac. In any case, your Mac gets stuck, and you can’t skip the screen to move forward to the login screen. But you may find the Apple logo, a spinning globe, a folder with a question mark, or a prohibitory sign along with the gray screen. Sometimes, your Mac doesn’t even show an error message stating the real cause behind the gray screen. It can be quite frustrating when your iMac, Mac mini, MacBook Air, or their Pro model stalls on a plain gray screen. Use Disk Utility to Repair the Storage Driveĥ. Disconnect All External Peripheral DevicesĢ. Download the free-to-try Mac data recovery tool to create a recovery drive and recover data.ġ. This does nothing.Summary: Grey screen of death giving nightmares? This post shares some easy ways to repair gray screens on iMac, MacBook, or Mac Pro. I've also tried opening the display settings, holding down the alt key, and clicking "Detect Displays". But now the only way to consistently fix the issue is to restart the MacBook. It used to be that when this happens, I manually put the MacBook to sleep and wake it up again, and voila, it would detect the external display again. I use the MacBook at home as well as at work I've tried different ports on my computer, different cables, and different monitors the issue is with the MacBook itself. I'm using a Mini DisplayPort to DisplayPort cable. I come back, and no matter what I try, the only way for the MacBook to detect the external display again is to restart the computer! Here's my situation: I have an external monitor hooked up to to the MacBook's display port, I walk away from my computer for a few minutes and it goes to sleep.
( Update: Now running macOS Mojave 10.14.5 on a 13-inch 2018 model, and this is still a very annoying issue). I have a MacBook Pro (Retina, 13-inch, Early 2015, macOS High Sierra 10.13.6) which fails to detect an external display after is has woken up from sleep.
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