User level: Level 1 (0 points)Blinking screen then black. Computer is still on but the screen is not working properly
Posted on Sep 20, 2026 4:39 PM
User level: Level 10 (208,430 points)Sep 21, 2026 10:33 AM in response to kelleherdesign
For hardware issue take it in —
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 Support - Apple Support
Plugging in an external monitor would be a work a round
Get your mac repaired and how much will it cost
Product Service and Repair Information - Official Apple Support
Get your Mac ready for service - Apple Support Get your Mac ready for service - Apple Support
see Vintage and Obsolete:
Vintage—Apple will repair if parts are available; Obsolete—no.
Obtaining service for your Apple product after an expired warranty - Apple Support
User level: Level 10 (211,627 points)Sep 20, 2026 5:44 PM in response to kelleherdesign
"Computer screen blinks then turns black: Blinking screen then black. Computer is still on but the screen is not working properly"
-------
Try Mirroring the Screen:
To Mirror it, Hold Down: [command + F1]
Have any external monitors? IF so, connect to it, and see if the screen is black. Then, power off your Mac, and see if it blinks and then goes black. If seen, then it is a macOS issue (perhaps the user's configurations or the GIU); if not, then it is a hardware issue.
Ridding of this Black Screen:
Sometimes, one common fix is to hold down the following...
or...
Originally posted at discussions.apple.com/thread/256361516