Vostro 460 Network card not found Code 31 need to reboot 3 to 4 times

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Vostro 460 Network card not found Code 31 need to reboot 3 to 4 times

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I have 10 Vostro 460s, the network cards are not being found on startup.  You have to reboot the systems 3-4 times to get Windows to find the Network cards.  All drivers are up to date.  This may be related to a Windows update, since the machine were fine for a month or so until an Update came out.

 

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  • I can understand everyone's frustration with this issue, but don't take it out on Telson.  He's not even a Dell employee, but he's just someone trying to help us out here.  As they say, don't shoot the messenger.

    Judging from Dell's response, it sounds like their motherboard supplier may be at fault here so they might have no option other than swapping the affected motherboards out to send back to the supplier to get credited for replacement boards.  I'm just guessing here of course, but that seems to make sense.  Dell likely orders these from their MB supplier which delivers a batch.  The supplier has an arrangement to supply replacement MB's if needed for any defective ones.

    The supplier isn't going to send Dell free ethernet cards as they probably don't even make them, and Dell likely doesn't want to eat the cost of the ethernet cards if it's a production problem on their supplier's part.  I don't know if this is all true, but that's what I'm guessing here.  It sounds like there isn't a fast and easy fix unfortunately if they are insisting on the MB swapouts still.

  • hunkahunkaburninglove

    I can understand everyone's frustration with this issue, but don't take it out on Telson.  He's not even a Dell employee, but he's just someone trying to help us out here.  As they say, don't shoot the messenger.

    Judging from Dell's response, it sounds like their motherboard supplier may be at fault here so they might have no option other than swapping the affected motherboards out to send back to the supplier to get credited for replacement boards.  I'm just guessing here of course, but that seems to make sense.  Dell likely orders these from their MB supplier which delivers a batch.  The supplier has an arrangement to supply replacement MB's if needed for any defective ones.

    The supplier isn't going to send Dell free ethernet cards as they probably don't even make them, and Dell likely doesn't want to eat the cost of the ethernet cards if it's a production problem on their supplier's part.  I don't know if this is all true, but that's what I'm guessing here.  It sounds like there isn't a fast and easy fix unfortunately if they are insisting on the MB swapouts still.

    Thank you for understanding the situation....Dell doesn't manufacture any parts.....Its only Dell branded..

    Forum Member Since 2010

  • We had 2 mother boards replaced by dell tech on the vostro 460's.  one of them is working fine with no complaints.  The other one no longer unable to recognize the nic adapter but still experiences network connectivity issues.  Would get limited or no  connectivity intermittently.  We just went ahead and purchased a PCI-E intel NIC adapter to use and no reported issues the rest of the afternoon.  Cost us $40 bucks for the card.

  • Has this defect been resolved?  I have been holding back on ordering these units for my company for a several weeks.  Could a Dell liason confirm that new units won't be affected?  I get a little concerned when I hear about motherboard defects.

  • Not that I know of, other then having Dell come out and replace the motherboards.  I lost a good customer of 10 years over this issue.  I would stay away from these for sure, not worth the effort and risk.

  • unplug power cord seems to be a work around for the no connection nic problem.

    DELL, I am waiting for a permanent fix.

    Thanks TA and Dell

  • i have 100 vostro 460 network problem on school , we bought the pc's two month ago and the problem started 1 month ago , i updated the BIOS of all pc but on some pc's the problem came back , any advice since chris said don't change any part nd as i have read on this post and the only way to solve the problem 100% is to change the motherboad , so any kind of help would be appreciaited .. thanks in advance !

  • Is this a long term solution?  My school purchased 80 of the Vostro 460 CPUs and at least 30 of them have this problem.  We went thru the many steps mentioned here.  Could not find Network card, checked drivers, updated firmware and finally found the solution to be unplugging the unit and waiting 10 minutes before turning it on again. This was the only way to solve the problem of the internal broadcom network card disappearing.

    So my question remains.  Does the NVRAM clear solve the problem permanently?  Or will I be doing this for 30 units over and over again?  If it is not a permanent solution, I would rather RMA them now while they are under warranty.

    Can anyone tell me if the problem reappears after clearing NVRAM?

    Thanks,

    Steve

     

  • Is this a long term solution?  My school purchased 80 of the Vostro 460 CPUs and at least 30 of them have this problem.  We went thru the many steps mentioned here.  Could not find Network card, checked drivers, updated firmware and finally found the solution to be unplugging the unit and waiting 10 minutes before turning it on again. This was the only way to solve the problem of the internal broadcom network card disappearing.

    So my question remains.  Does the NVRAM clear solve the problem permanently?  Or will I be doing this for 30 units over and over again?  If it is not a permanent solution, I would rather RMA them now while they are under warranty.

    Can anyone tell me if the problem reappears after clearing NVRAM?

    Thanks,

    Steve

  • sorry for the double post!  Please forgive my noobness today - not enough sleep.

  • It looks like a motherboard swap out is the only solution so far that I have seen.  Some of the integrated NIC's must have some flaw (cold solder joint, failing component) so there's no easy fix than to to replace the entire board as it's an integrated component.  Only one of three Vostro 460's that I have experienced the problem, but after the MB swap it's been running flawlessly.  My two other units never had a problem.

    The other answer is to purchase PCI-e network cards to add into the systems if the procedure to get a motherboard swap-out is undesirable.  Dell unfortunately won't cover the cost of this option.  You could always try talking with a Dell Manager to see if they might though.

  • Mb replace on site and seems to be working. Only time will tell.

    Anyone got a warranty extension? I am planning to ask for one.

    Thanks for all the helpful info about V460.

  • I too am facing the same issue. Rebooting the computer few times might get you lucky. I also found plugging the computer out entirely and waiting till all residual power on the computer to die out and restarting helps.

    In my opinion there are couple of issues with Vostro 460.

    1. Everything is built into the motherboard, video card, sound card and Ethernet card. This makes it very difficult to isolate the issue and replace only the faulty component.

    2. It seems like Vostro 460 cannot handle Windows power saving feature all that well. My Vostro 460 is just 9 months old and have got the motherboard replaced already as the computer did not come back on after going to sleep mode one day. Tech support asked me to remove the power cable and wait for power on the computer to discharge but did not work.

    Coming back to the subject of this discussion, I noticed the computer looses the visibility of the network card when it comes back from sleep.

    I have now changed the power management setting on Windows to never put the computer to sleep. Cannot save power when hardware does not support it!

    Sam.

  • I and one other have purchased four Vostro 460s over a six month span, and as of now, every one of them exhibits this problem. I wrote off the first occurrence as statistically insignificant. Given my subsequent experience, the reports here, and the nature of the problem and it's solution, I'm beginning to suspect that this may be a design defect affecting the entire line. It wouldn't be the first time that we've settled on one manufacturer's model and watched every one suffer the same premature failure over time.

    Like others in this thread, I realize that the most cost effective solution is to drop in yet another $30 discrete NIC, but if I do so, I don't see how I can, in good conscience, go back to dell. I may have to get those motherboards replaced on principle.

  • Following is my experience with this unresolved issue.

    2 x Vostro 460 desktops (one purchased in Sept 2011, the other March 2012.  This week both lost their NIC's.  First tech spent 2 hours trying to isolate issue.  Reported to me that he believes it has something to do with devices connected to USB.  Customer had connected 2 new APC 1000XS UPS units and thats when it seems the problems began.  Actually, they began the first time they powered down the PC's after connecting the APC UPS units (USB cable).

    I stepped in today (I have 20+ years of experience in IT and there's rarely a problem that I cannot fix or find the cause).  After 2 hours of inspecting, checking drivers, BIOS, trying Linux boot CD's, removing MB and inspecting solder joints with a magnifying glass, trying replacement 650W PSU, checking input voltage, etc..., nothing proved to be a resolution.   I even tried the recommended solution to power off, discharge caps, then power on.  This worked ocassionally, but not reliably.

    I then decided to remove the CMOS battery.  Upon reboot and BIOS setup,  the NIC worked.  Hmm.  I rebooted, shutdown many times and it all seemed OK.  After I reconnected the APC UPS the NIC continued to work but after the 4th shutdown the NIC would not start on POST.  Double Hmm!

    I also noticed that after connecting the APC UPS USB cable, the NIC would not stay powered after power off (WOL).  No matter how the Device Power management settings were set in Windows, once the APC USB cable was connected the NIC lights were off.  Interesting! I even tried an Ethernet switch at the desktop to be sure it was not an issue with cable run or the office Ethernet switch.  Nope.  I also tried a USB hub for the APC UPS.  Nope!  Disconnecting the APC UPS USB cable did not help either.

    I then tried to install APC Powerchute Personal edition (3.0.2) to see if this would help.  Nope.  How many nope's am I up to?

    Again, the system seemed mucked up and now it wouldn't detect the NIC even if I did the poweroff, cap discharge procedure (all this with no APC UPS connected).  Weird!!  I decided t remove the CMOS battery again.  Upon BIOS config the NIC worked again!!!  Continued to work after several reboots, power down, etc..

    I called it a day and left the APC UPS disconnected from USB.  Only other USB devices are the Dell keyboard/mouse.

    Both Vostro 460's reacted very similarly during my troubleshooting.  They both have A06 BIOS.  I FIRMLY BELIEVE THE PROBLEM RESIDES IN DELL'S BIOS FOR THE VOSTRO 460.

    So, its been over 6 months since the last BIOS release for this board.  They don't permit downgrading and I haven't done the research yet to see if there's a hack to downgrade Dell's BIOS.  Not sure a downgrade is gong to fix this, but its worth a shot.  Often BIOS updates include some new bugs along with the fixes implemented.

    The big questions is when is Dell going to get theit head out of their backside and fix this?  Replacing motherboards is not the solution.  Many have done it, some with many Vostro 460's, and the replacements seems to be questionable at repairing the issue.  PROBABLY NO BETTER THAN MY CMOS RESET!!!!!!