Mac pro black with cursor only screen

Hello

For some reason any crazy Mac Pro started to behave strangely yesterday such as dock to the basic configuration reset. So decided to use Time Machine to reinstall a version prior to the problem. But in the end the mac wouldn't start the usual screen, just a completely black screen with a cursor mobile?

Eventially decided to reinstall a new os El Capitan instead, hoping it will solve the problem, BUT once again the black screen persists! AArrgh... need help! At an expeanced of another that at all? Is there a solution?

Help, please.

Kind regards

Mike

What model MBP is? One of these?

Tags: Mac OS & System Software

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