Macpro sometimes won't boot/won't login
Hi everyone, first time here!
As of yesterday my macpro sometimes wont boot. When it does boot i can get to the login screen, i type in my password, the loading bar gets halfway there and my mac shuts down. It's really weird, i always hear the startup chime, but sometimes i get a screen, sometimes i dont..
One hour ago i got into my computer, i ran disk utility, ccleaner but no errors or whatsoever.. Now i got to the login screen twice but couldnt login!
Anyone?
Thanks!
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