Can't load laptop NIC

Hi EE's

I have a Dell D600. Broadcom 57xx controller went missing. Went to Dell and via my Service Tag pulled down and installed all Broadcom stuff. Ran the Broadcom diag utils and nothing finds a controller. Is the controller dead or something? How do I tell?  

Wireless works fine using the onboard wireless nic.

How can I diagnose and repair?

Thanks.
COBOLforeverAsked:
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huntleyjConnect With a Mentor Commented:
If the bios has the Lan controller disabled then i think you just found the problem. Enable it and see if it comes back in Windows
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lamaslanyCommented:
'went missing'

Missing in what way?  Can you see it in the OS?  (PS:  Which OS are you using?)
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huntleyjCommented:
Are you running on battery or AC? Most laptops disable the NIC as a power saving feature
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huntleyjCommented:
forogt to keep typing... lol ...it should read
...power saving feature when running on battery
Look in your control panel for an icon called "Internal NIC configuration" open it and it's pretty straight forward
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pistolslapperCommented:
also, on my HP if i have no nic cable in it does not appear in the device manager... even without a driver installed.
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COBOLforeverAuthor Commented:
Apologies.  

Running WinXP. AC power is plugged in. Ethernet cable plugged in. Cannot see the NIC in Device Manager. Install of driver goes fine. Several other utilities (SIW, and ReSystem) report no NIC.

Strange.
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COBOLforeverAuthor Commented:
Also - I installed the Broadcom diagnostic utilities and even they do not find a Broadcom NIC... Where the heck did it go?
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LedigimateCommented:
Are there any faulty devices listed in Device Manager when you select View > Show hidden devices?
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COBOLforeverAuthor Commented:
Holy Controller Batman!  I didn't even know that view existed.

Here's the Broadcom stuff:
Broadcom 570x Gigabit Integrated Controller - Deterministic Network Enhancer Miniport
Broadcom 570x Gigabit Integrated Controller - Packey Scheduler Miniport
Broadcom 570x Gigabit Integrated Controller #2 - Deterministic Network Enhancer Miniport
Broadcom 570x Gigabit Integrated Controller #2 - Packey Scheduler Miniport
Broadcom NetXtreme Gigabit Ethernet  - Deterministic Network Enhancer Miniport
Broadcom NetXtreme Gigabit Ethernet - Packey Scheduler Miniport
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COBOLforeverAuthor Commented:
Also - when I view the properties for them, they show "working properly" and "enabled"
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LedigimateCommented:
I suggest you un-install all the broadcom entries and let windows re-detect them.  There should be only one of each.
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COBOLforeverAuthor Commented:
Went into Device Manager, view hidden devices, right clicked on each Broadcom device and chose UnInstall - -got same message for all of them: Unable to uninstall, device may be required to Boot.
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LedigimateCommented:
okay then you can uninstall them in safe mode.
Restart computer, before windows starts loading, press F8 and then select Safe Mode. Once in safe mode, uninstall the broadcom devices and restart your computer again.  The broadcom devices should then be re-installed with no doubles.
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COBOLforeverAuthor Commented:
tried in SafeMode and got same message.
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LedigimateCommented:
If you can load the BIOS setup at boot time, disabling the integrated LAN controller and then booting into safe mode might allow you to uninstall them.  Another thing you can do to make sure device manager shows ALL hidden devices, is to type the following at the command prompt (Start > Run > cmd.exe):
set DEVMGR_SHOW_NONPRESENT_DEVICES=1

before opening device manager. Any greyed-out devices can be safely uninstalled, and if it still doesn't budge, you may try disabling the device before trying to uninstall it.
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COBOLforeverAuthor Commented:
Disabled in Device Manager but still could not uninstall.

BIOS already has LAN Controller disabled...
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COBOLforeverAuthor Commented:
Uh - wait..... I just read what I wrote. BIOS has LAN controller diabled.  Is this a permnent setting or the boot setting that I override when I Enable it from within Windows?
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COBOLforeverAuthor Commented:
Sorry for the delay. I attempted to correct as per above and was unable to make it work. That was at the hotel - not sure if that is a problem. I need to try from home and I will not be back there until Thursday this week - 2/26.

Will report back then.

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COBOLforeverAuthor Commented:
My machine is now dead... I wish to award points anyway as I believe we had found the solution. Thanks for the help.
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