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Cannot Load Device Drivers (Error Code 31)


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#1 Jay18

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Posted 02 April 2011 - 10:52 AM

I have a Pavilion a6700y machine that a customer brought me, Vista 64-bit. It is having trouble with the network drivers for the onboard LAN card and aftermarket WLAN card. I have uninstalled the hardware, deleted drivers, and loaded fresh drivers from respective sites. I have added an additional NIC and USB Wireless device, but they present the same problems. I believe the issue was caused by a virus that the customer removed themselves, but I cannot find anything to help fix the issue.

Anyone seen this before? How did you get it resolved?

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#2 cryptodan

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Posted 02 April 2011 - 11:08 AM

Did they say what kind of virus and the name of it?

#3 Jay18

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Posted 02 April 2011 - 01:14 PM

Did they say what kind of virus and the name of it?


They did not. It was more of a hunch than a confirmed fact, based on the way the computer was acting when I got it.

It seems that I remember reading about problems similar to this when a CD/DVD drive is uninstalled. Something about upper and lower limits, deleting a registry key, and Windows rebuilding it. Any ideas where the registry entries are located for networking hardware?

#4 cryptodan

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Posted 02 April 2011 - 03:12 PM

Have you downloaded the drivers from http://www.hp.com?

#5 Jay18

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Posted 04 April 2011 - 01:36 PM

I have uninstalled the hardware, deleted drivers, and loaded fresh drivers from respective sites.


New drivers, new hardware with drivers...every time I load anything the network adapters are present in the Device Manager with a yellow triangle and an error code of 'cannot load device driver (code 31)'

Edited by Jay18, 04 April 2011 - 01:36 PM.


#6 cryptodan

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Posted 04 April 2011 - 01:41 PM

then the devices are dead, and are unable to operate.

What happened to this computer, did something get spilled on it?

#7 Jay18

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Posted 04 April 2011 - 03:54 PM

It is a desktop, and it was brought into my shop this way. Even if the devices are dead, I have installed new networking hardware, a PCI NIC and a wireless USB adapter. They both act the same way upon installation: unable to start device because the driver cannot load.

I think this is a registry issue, or some type of software problem, but I have yet to run across anything that can resolve it without reformatting. Unfortunately, the customer disabled System Restore.

Any other thoughts? Thanks for the suggestions so far!




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