Gateway M280 classifies all network adapters as "Unknown Devices".

In the shop we have a Gateway M280 Convertible Notebook PC. It had a bad motherboard so it was replaced with an identical model motherboard. The problem is a lot of devices had to have their drivers reinstalled, which wasn't a problem except for one section, Network adapters.

All network adapters on the system show up as an "unknown device". This includes the 1394 net adapter, the integrated Broadcom ethernet, the Intel 2200 wireless module, and two different USB to ethernet adapters.

Any adapter that has to do with networking immediately is classified in the "Unknown devices" category. We have tried reinstalling drivers, and while they install correctly it still classifies it as an unknown device. We have tried uninstalling the device and that doesn't work either. So far this only happens with Ethernet devices. What could be wrong?
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barnettmnljsAsked:
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barnettmnljsConnect With a Mentor Author Commented:
What we decided to do was to go ahead and do a complete Windows reinstallation. After multiple attempted fixes, we assumed that something in the OS was corrupt.

So far it's working fine, fingers crossed.
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Tyler LaczkoConnect With a Mentor Commented:
The new motherboard you put in most likely requires different drivers. They may have changed the network adapters on the specific motherboard you have.
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Tyler LaczkoConnect With a Mentor Commented:
You will need to find out exactly which type of network adapters are on your new motherboard and download/install the appropriate drivers.
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barnettmnljsAuthor Commented:
The three adapters currently installed are:

1394 Net Adapter (the chip used is made by T.I.)
Broadcom NetXtreme Gigabit Ethernet
Intel Pro/Wireless 2200BG

On all three of these devices, the drivers have been reinstalled several times from the Gateway site. All devices show the proper names in the device manager, however Windows classifies them as unknown devices and says that the proper drivers are not installed.

This same occurence happens when we use a USB to ethernet converter, it utilizes a driver in Windows XP's standard driver set, however it is classified as an unknown device in this machine, even though it knows what the device itself is (the name of it is displayes). Again, this only seems to occur on network devices on this machine.
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barnettmnljsAuthor Commented:
This is a screen shot of the device manager of the notebook.
Gateway-M280-device-manager.JPG
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barnettmnljsAuthor Commented:
Just as an update, even though the NIC is in the unknown category; plugged into a hardline, internet works just fine.

The correct drivers are installed, the OS just doesn't know that the devices are Network Adapters.

Any help is appreciated, thanks!
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roberthil5Connect With a Mentor Commented:
I have an MX6124 Gateway laptop with the very same issues with a Broadcom 802.11g Network Adpater.  Unknown device, and the wireless does not work (XP Pro, SP2)

I called Gateway's support, they told me to re-install the most recent drivers (they emailed me a link for the driver which I already had been working with before I called them)

I had already tried un-installing and installing over 5 times, continuing to uninstall and re-install with the driver they l;inked me to provided the very same results.

unknown device - Broadcom 802.11g Network Adpater and it will not work!

I wonder if it is something with SP2.

The wired connection was also showing up as unknown, I un-installed that and can not get it to re-install!  Once I get the wired NIC to re-install, I will try to do the SP3 up-date and see if it is still an issue.

I will let you know what I find.  I have not had any luck here over the years with solutions to problems, I just signed up again to see if anything changed, so far, none of my other problems have found solutions here.  We may be on our own!
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