Screen flickers
My MacBook’s screen flickers when the integrated and dedicated graphics cards switch
MacBook Pro 15”, macOS 10.15
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nlas129 wrote:
My MacBook’s screen flickers when the integrated and dedicated graphics cards switch
Try resetting NVRAM/PRAM http://support.apple.com/kb/ht1379
if no resolve
Try resetting the SMC https://support.apple.com/en-us/HT201295
For further support—
Call (800) MY–APPLE (800–692–7753)
or on line https://getsupport.apple.com/
https://apps.apple.com/app/apple-store/id1130498044?mt=8
or call AppleCare Support at 1-800-APLCARE.