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446751

September 26th, 2012 22:00

Wifi Adapter not found and cannot connect on my dell latitude e6400

I am not able to connect through wifi on my dell latitude e6400, it was working and then all of a sudden it stopped working.  I replaced the wifi adapter, but still not being identified and showing up so maybe it was not a bad wifi adapter as originally thought.  In any case, the adapter is not showing up in my device manager...any thoughts?

4 Operator

 • 

2.6K Posts

September 27th, 2012 00:00

Hi Bayman48,

The best thing here is to check in BIOS if the wireless device is enabled or disabled. 

 To enter the BIOS screen, Switch on the computer, tap F2 at dell logo to enter BIOS screen.

  1. Select the option “Wireless”. Check if the Wireless device is “Enabled or Disabled”.
  2. If it is “Disabled “please “Enable” it by following the instructions at the bottom of the page.
  3. Press F10 to make changes.
  4. Restart the system to save the changes
  5. Check in device manager if the WLAN is detected.

Try these steps and reply for further help.

9 Legend

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30.3K Posts

September 27th, 2012 04:00

Bayman48,

 

Can you run Finding System Information REMOVE YOUR PRODUCT ID, if using XP, run an ipconfig /all log and post it back here.


 

Rick

11 Posts

September 27th, 2012 09:00

Already did this, it is enabled and not detected in the device manager

11 Posts

September 27th, 2012 09:00

here you go

Host Name:                

OS Name:                   Microsoft Windows 7 Professional

OS Version:                6.1.7601 Service Pack 1 Build 7601

OS Manufacturer:           Microsoft Corporation

OS Configuration:          Standalone Workstation

OS Build Type:             Multiprocessor Free

Registered Owner:          

Registered Organization:  

Product ID:                

Original Install Date:     11/1/2009, 9:39:08 AM

System Boot Time:          9/27/2012, 8:14:42 AM

System Manufacturer:       Dell Inc.

System Model:              Latitude E6400                  

System Type:               X86-based PC

Processor(s):              1 Processor(s) Installed.

                          [01]: x64 Family 6 Model 23 Stepping 10 GenuineIntel ~792 Mhz

BIOS Version:              Dell Inc. A20, 12/21/2009

Windows Directory:         C:\Windows

System Directory:          C:\Windows\system32

Boot Device:               \Device\HarddiskVolume2

System Locale:             en-us;English (United States)

Input Locale:              en-us;English (United States)

Time Zone:                 (UTC-08:00) Pacific Time (US & Canada)

Total Physical Memory:     3,572 MB

Available Physical Memory: 2,599 MB

Virtual Memory: Max Size:  7,142 MB

Virtual Memory: Available: 6,160 MB

Virtual Memory: In Use:    982 MB

Page File Location(s):     C:\pagefile.sys

Domain:                    WORKGROUP

Logon Server:              \\D7J9C6J1

Hotfix(s):                 132 Hotfix(s) Installed.

                          [01]: 982861

                          [02]: KB971033

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                          [103]: KB2675157

                          [104]: KB2676562

                          [105]: KB2677070

                          [106]: KB2679255

                          [107]: KB2685939

                          [108]: KB2686831

                          [109]: KB2688338

                          [110]: KB2690533

                          [111]: KB2691442

                          [112]: KB2695962

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                          [116]: KB2705219

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Network Card(s):           1 NIC(s) Installed.

                          [01]: Intel(R) 82567LM Gigabit Network Connection

                                Connection Name: Local Area Connection

                                Status:          Media disconnected

9 Legend

 • 

30.3K Posts

September 27th, 2012 13:00

Bayman48,

 

It's not listed there, either.

 

Shutdown the computer and unplug it from the wall. Remove the battery(if laptop) Press and hold the power button for 30 seconds.

 

Reseat the wireless adapter, then start the computer and see if it show, even with a yellow bang in the device manager. If it shows, then install the drivers. If it doesn't show, it may have failed.

 

 

Rick

11 Posts

September 27th, 2012 14:00

ok...did as you suggested...still doesnt show...i did replace the wireless adapter with a new one...i know its possible, but i cant believe that i have two bad adapters...or did you mean something else has failed.

9 Legend

 • 

30.3K Posts

September 27th, 2012 17:00

Bayman48,

 

If you recently installed/reinstalled the opeating system, it could be missing. How to Download and Install Drivers in the Correct Order Not installing the notebook/desktop system utility(if applicable) and the chipset drivers first will cause all the other drivers to fail.

 

Did you follow the installation procedure recommended by the manufacturer?

 

 

Rick

11 Posts

September 27th, 2012 20:00

I have not recently installed, reinstalled...it just sort of started to act up within the last week, so that is not my problem and i also reloaded the intel driver for the wifi adapter...so i took care of that step as well....any other ideas?

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