Can someone please explain this red light?

R_gui

macrumors newbie
Original poster
Nov 18, 2018
13
0
What does this light on the Mac Pro 2009 or 2010 mean? I have a Mac and after using too much power from using two gpus in the same slot by accident, and after turning it off, it won’t turn back on. Now, from time to time, maybe a few hours or a few days, it’ll turn of, but once it’s off, it’s off.
 

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Expobill

Suspended
May 30, 2018
1,425
919
The red light means you must stop your vehicle and wait for a green one.
I think that for headphones and sound.....if there is a toogle or switch, i think turm or reset that
 

Alex Sanders74

macrumors 6502
Nov 26, 2013
272
60
Toronto, Canada
Which LED is lit? There are a few....

Screen Shot 2019-03-02 at 11.33.29 PM.png


If it's an OVERTEMP, which is red I can offer some advice.

Also, why aren't you using that GPU in Slot 1?
 
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