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I have a friend with an Inspiron 6400 laptop with Windows XP. The driver CD is missing and the wireless driver is not installed .

I have tried several drivers but with no luck:

How can I install the drivers?

I don't have a wireless device under the Network adapter label. I only have 3 things : 1394 net adapter , Bluetooth lan access server driver , Broadcom 440x 10/100 integrated controller... Nothing else appears even after installing the above drivers

There is no Unknown devices

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4 Answers

First, get the card's device ID from Device Manager:

  • Click start, then Run.
  • Type devmgmt.msc, then Enter.
  • Right-click your wireless device (probably listed as a Network Controller), then click Properties.
  • Click the Details tab, then select Hardware Ids from the drop-down.

Usually, you want everything before the ampersand (&). For example, my NIC's device ID is PCI\VEN_8086&DEV_10F5&SUBSYS_024D1028&REV_03, but most drivers will only reference PCI\VEN_8086&DEV_10F5 or PCI\VEN_8086. Do a Google search on that to get the wireless chip or wireless device, then take it from there.

Good luck!

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i don't have a wireless device under the Network adapter label , i only have 3 things : 1394 net adapter , Bluetooth lan access server driver , Broadcom 440x 10/100 integrated controller ... nothing else appears even after installing the above drivers –  Ahmed Kotb Apr 1 '11 at 14:17
    
What about in Unknown devices? –  Carlos Nunez Apr 1 '11 at 14:20
    
there is no Unknown devices –  Ahmed Kotb Apr 1 '11 at 14:40
1  
@AhmedKotb - Well, there's your problem right there. If the system's not detecting the device at all, it's got nothing to associate the drivers to. You may need to troubleshoot a BIOS or hardware issue. –  Iszi Aug 4 '11 at 19:03
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It might be worth entering the service tag of the laptop on the Dell website which will give the exact system configuration. Just search in the browser for the word 'wireless'.

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how can i get the service tag ? –  Ahmed Kotb Apr 1 '11 at 14:20
    
It's usually a sticker on the underneath of the laptop. support.dell.com/support/topics/global.aspx/support/en/… –  8088 Apr 1 '11 at 14:30
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The 6400 is the dreaded Broadcom Integrated WiFi controller, it's inherently finicky and just bad overall, but that's not what you're looking for.

This link might have something at least mildly helpful for you. "Broadcom: Identifying your driver"

It doesn't look like they even have much support anymore for their 440x except in the Linux world.

Also, your link was generic, here's for the 6400, the drivers for the wireless should be on there. 6400 Drivers

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I connected the laptop with a cable to the network. Then, under Hardware driver, turned on STA and downloaded the Ubuntu driver for me. After a reboot I connected to my wireless AP.

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