Question about Intel DG31PR Motherboard

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Ethernet card disappears on DG31PR motherboard

Hi,

I have 60 of the Intel DG31PR motherboards that I got back in November for an upgrade. I have had a lot of problems with these computers losing their network cards in the OS. I am running Windows XP SP3 and all current Windows updates installed. The computers will boot up fine with no errors and then I get phone calls saying that people cannot get out to the internet or to our document server. I have to go shut the computer off and then unplug the power cord from the back of the computer. Most of the time the network card will just reappear after I do that. Sometimes it takes more than one try. I downloaded the newest driver off Intel's site and that has not made any difference. All 60 of the computers have identical hardware. Has anyone else had this problem?

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  • tonyp171 Mar 11, 2009

    I've been using these mobo's for about 1 year now and have had this happen 4 times in the last 2 months. Can't pin-point it. NIC just dissappears in the device manager. Only solution I've found was to add PCI NIC.

  • garry900 Mar 18, 2009

    The vendor we purchased all of our computers from contacted Intel and they are aware of this problem. They believe it is just a certain AA revision that is having the problem. The revision's that we have are AA D97573 - 301 and 302. They said that you can try to set the network card from auto negotiate to either 100 mbps or 1 gb and that it may help the problem. They also told our vendor that they are working on but do not have a timetable for an official fix but it would likely be in the form of either a bios update or a network card driver update.

  • shabak_si Apr 19, 2009

    Same problem with 20PCs i have sold !!!

  • royair Apr 28, 2009

    i have also the same problem.
    i bought DG31PR 1 day ago, installed the latest BIOS and network drivers, but every 30 minutes or so i get no network card.
    when i check contro panel->network connection i see no NIC at all!

    only after shutting doen computer and plugin power cable off then turn on computer again i can see network card, but again only for 30 minutes or so.

  • Anonymous May 04, 2009

    i did what gurneyhack suggested and rolled back my LAN driver and it now works fine. my driver is version: 5.664.205.2007 date: 3/16/2007.


    i got the driver from my DG31PR cd that came with the board. i could not find an older driver like this one on the intel website.





  • Jim Brauer May 11, 2010

    I have not had this problem with these mobo's but if the problem is so consistent, the company you're at must pay you to fix them...once, and wonder why they are not fixed when you told them it was. Have you tried to cut down on resolving this problem with the use of a NIC other than the on-board one? With all the time you spend trying to fix them, a trip to e-bay for a lot of NIC's may be in order to just fix the problem and move on to other neglected issues. I looked thru the Intel DB and found nothing in their FAQ's about this problem, however you may want to try this link: http://support.intel.com/support/motherb...

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We have many boards in the field and have seen this issue 3 times in the last several weeks. The solution we have developed is to disable the NIC in the BIOS the boot into Windows. Shutdown again and boot back into the BIOS and reenable NIC (All this is just to get the NIC to appear again in Device Manager). Also, we are pulling the power cord before starting the computer again.

Once we have done that and have the NIC visible in Device Manager we are rolling back the driver to the one dated 8/6/2008 with version number 5.702.806.2008

Posted on Mar 18, 2009

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