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My Mac Pro was built in 2008 before beeps and flashes signaled the issue. Mine has a constant blink. Anyone have an idea?

I didn't add anything new, just restarted the computer and the light flashed. I can hold the on button down for 7 flashes to shut it down, otherwise there's nothing I see relevant about the flashing. There are no tones.

Mac Pro, Mac OS X (10.5.1)

Posted on Feb 25, 2013 10:02 AM

16 replies

Mar 5, 2013 1:10 PM in response to Grant Bennet-Alder

Everyone believing memory was my issue WAS CORRECT! I received the 8GB of memory today, installed it and the computer started normally.