Why is my mac book pro screen  black and the computer is on

My mac book pro screen went blank with the computer on. I was able to open Safari by using cntrl command when I turned it on. It won't load.

Hello there, 309Catalina.
The following Knowledge Base article has some great recommendations for the issue you're describing:
Troubleshooting: My computer won't turn on
http://support.apple.com/kb/TS1367
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

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