7 Replies Latest reply: Jun 30, 2013 4:09 AM by duly RSS

Red Led on DX79SI

francois Community Member
Currently Being Moderated

Hi everyone,


I work on a computer shop and we have a problem with an assembled pc.

The computer is completly freezing randomly. I have to reboot it.

It happens when my customer is playing games or watching full HD movies.

I notice something when it happens :

(from 1:15)

DX79SI - YouTube

Then i looked on intel website for technical specifications and in found this :

Led Status - hebergeur d'image - Casimages.com -

The red led is the 13th one ==>+5 V Standby power indicator

So what does it mean ? What's wrong with this led ?


FYI the led is ONLY red when the computer is freezing otherwise it's OFF.

We already replaced all the components.


Here's the configuration :

  • Intel DX79SI
  • Intel I7-3930K
  • Corsair Vengeance DDR3, 1600-8Gb (Kit)
  • Antec Truepower Quattro 1200W
  • Asus Nvidia GTX680
  • SSD 330 Series 180Gb + WD 2TB


If anyone could help us, it could be great

Thanks in advance and sorry for my english


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