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Black screen

I have an old Mac Pro. After I entered the password, press enter, the screen showing the “loading” then all the sudden, the screen goes black.


I tried to restart/reboot

command + option + P + R


and still doesn’t work.


please help!!!

MacBook Pro 13″, OS X 10.10

Posted on Jan 3, 2022 12:50 PM

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Question marked as Best reply

Posted on Jan 4, 2022 7:02 AM

HT316 wrote:

I have an old Mac Pro. After I entered the password, press enter, the screen showing the “loading” then all the sudden, the screen goes black.

I tried to restart/reboot
command + option + P + R

and still doesn’t work.

please help!!!



If your Mac starts up to a blank screen (white, black, gray, or blue)

https://support.apple.com/en-us/HT210905

3 replies
Question marked as Best reply

Jan 4, 2022 7:02 AM in response to HT316

HT316 wrote:

I have an old Mac Pro. After I entered the password, press enter, the screen showing the “loading” then all the sudden, the screen goes black.

I tried to restart/reboot
command + option + P + R

and still doesn’t work.

please help!!!



If your Mac starts up to a blank screen (white, black, gray, or blue)

https://support.apple.com/en-us/HT210905

Black screen

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