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My Power Mac CGI will not start

When I push the start button the white light just goes on and off.

I'm running 10.7.5 OS

Mac Pro, Mac OS X (10.7.5)

Posted on Feb 10, 2016 12:38 PM

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3 replies

Feb 10, 2016 3:48 PM in response to Algraph

What is a "Power Mac CGI"?

Since you say you have OSX 10.7.5 that mean y have an Intel processor and all Power Macs have a Power PC processor.

Assuming you have an early Mac Pro. The 2006/2007 can only go as high as 10.7.5).

- Disconnect all peripherals

Remove an internal sleds and cards except for graphics card and HD sled with boot drive

- Reset the SMC

Intel-based Macs: Resetting the System Management Controller (SMC)

- Try startup. Can y hear the fans?

- Open side cover and look for any lit diagnostic lights

- Check the voltage on the coin batter on the logic board.

My Power Mac CGI will not start

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