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Memory board LEDs What are the lights telling me?

#1 User is offline   thunderkyss 

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Posted 16 March 2013 - 08:42 PM

My Mac Pro has two memory boards in it. Each board has 4 DIMM slots on it. Each slot has a corresponding LED on the board. As soon as I turn the power on, the LEDs light up for a second, then go out.

Is this normal, or is it telling me I've got bad memory? Or do they come on to tell me that I have bad memory?
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#2 User is offline   bastion 

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Posted 17 March 2013 - 03:51 AM

View Postthunderkyss, on 16 March 2013 - 08:42 PM, said:

My Mac Pro has two memory boards in it. Each board has 4 DIMM slots on it. Each slot has a corresponding LED on the board. As soon as I turn the power on, the LEDs light up for a second, then go out.

Is this normal, or is it telling me I've got bad memory? Or do they come on to tell me that I have bad memory?


That's fine. It's when they stay lit that you've got a problem.
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