No display after MacOS big sur install - Mac mini 2018

App & System Services Core OS
Noumantahir92 OP
Created Nov ’20
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I successfully downloaded and installed big sur, but after system asked me to restart it never appeared with a display.

after and hour I tried a restart proceeding with SMC and NVRAM resets, even tried usb-c hdmi dongle for display instead of hdmi port, not seems to work.

any ideas...?
Replies  1
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Views  386
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zorro_tibetano_20 OP
Nov ’20
Same thing happened to my Mac mini system. After fighting it for one hour, spent the next six hours reverting to Catalina. All OK now, and HDMI now works.
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No display after MacOS big sur install - Mac mini 2018
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