Question about Dell Latitude C400 Notebook

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Latitude c400 no longer detects internal wireless card

I have a 4 or so year old c400 I take on the road with me. recently it simply stopped recognizing the wireless card...doesn't show up on hardware devices anywhere. I upgraded to XP from 2000 professional hoping but nothing. any advice?

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Device driver's are different from one operation system to another...you need to find the driver for the current operating system...

Posted on Sep 06, 2008

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My neighbor has a Dell Latitude CPt ppx that's about 6 years old. It won't open up to Windows now. Whenever it is turned on we see the big blue "Dell" start up screen. Then it says,...


Usually Dell has a partition that contain all the information to restore the factory setting of your Latitude,If it has not been damaged or erased, You can activate it in the Dell booting option on opening of the Dell computer press Ctrl + F11 to accesss the restauration menu
Hope this answers all your questions Please remember to Rate/vote for any solution that helps you out. Leave a comment if you need more help. Thanks for using Fixya

Aug 16, 2011 | Dell Latitude C400 Notebook

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My dell latitude c400 will not hook to a wireless connection it says make sure you wireless switch is on, says no wireless connections in range and im sitting right to my router, what am i doing wrong?


Look for a little wireless icon in purple on the keyboard in the F keys up top. Example F9.

You hold down the Fn on the bottom of your keyboard and at the same time press the (example F9) to enable wireless.

It varies by model and I don't know which F key it is on the c400. You should be able to tell.

Jan 21, 2011 | Dell Latitude C400 Notebook

1 Answer

Dell Latitude D610-Not detecting wireless networks.


Are you running the Dell Wireless Utility? Try stopping that service (go into Services, find the Dell program on the list, and Stop it, and then change the startup type to Manual) and start the Wireless Zero service (and change the startup type to Automatic).

When the Wireless Zero service is running, open your wireless networks list and see if you can see any networks (assuming there are some nearby to find). If you get a message that says something like "Wireless Zero is not configured to manage your network connections," go into the Advanced properties and put a check next to the box that says "Allow Wireless Zero to manage my wireless networks").

If you still can't see any wireless networks when there are some around, then maybe you do have a damaged antenna. It's probably not worth spending the money for parts and labor to have it repaired or replaced, especially if your computer is five years old.

Jul 14, 2010 | Dell Latitude D610 Notebook

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Latitude d400 doesn't show wireless networks


Chcek if there's a wifi switch and if it's turned on. Try going to a wifi hotspot and see if your system can detect any wireless networks. If not, uninstall and reinstall your wireless drivers.

May 24, 2010 | Dell Latitude C400 Notebook

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I am trying to install a WIFI card in my Dell Latitude C400


Try installing the CD. it should walk you through it.

Mar 01, 2009 | Dell Latitude C400 Notebook

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Audio Problem


Remove the card and use system restore in accesories to see if you can restore to a time previous to installing the card. If the problem persists, you can run dxdiag, go to start>run, then type dxdiag and hit enter, go to the audio tab and it will point to the problem

Mar 17, 2007 | Dell Latitude C400 Notebook

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