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DELL E6400 Laptop WiFi Connection Issue: Post-Format, Password Error & Network Troubleshooting

Dianton 5814 10
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  • #1 16908920
    Dianton
    Level 20  
    Hello. I've done a laptop format recently, and surprise. As always the wifi connected without a problem so now there is a problem. He sees the network, but when I enter the password, I pop up that I cannot connect to the network. I turned off and turned on my laptop a dozen times and it caught. The Internet was seen, the network connected, but when I turned off my laptop and turned it on again, I have the same thing from yesterday ... I am sending below all the pictures as it looks like. I will add that I even did the format today, but when configuring the wifi in the format, or rather, as if the password did not work ... I will add that on the phones on the computer everything connects nicely via wifi and on the laptop I do not want ... I also reset the router but nothing it did. I also turned off the firewall because I thought that I was blocking something. Yesterday I still had a diagnosis that I can not connect to hidden? ASUS network.

    DELL E6400 Laptop WiFi Connection Issue: Post-Format, Password Error & Network Troubleshooting DELL E6400 Laptop WiFi Connection Issue: Post-Format, Password Error & Network Troubleshooting DELL E6400 Laptop WiFi Connection Issue: Post-Format, Password Error & Network Troubleshooting DELL E6400 Laptop WiFi Connection Issue: Post-Format, Password Error & Network Troubleshooting DELL E6400 Laptop WiFi Connection Issue: Post-Format, Password Error & Network Troubleshooting DELL E6400 Laptop WiFi Connection Issue: Post-Format, Password Error & Network Troubleshooting DELL E6400 Laptop WiFi Connection Issue: Post-Format, Password Error & Network Troubleshooting DELL E6400 Laptop WiFi Connection Issue: Post-Format, Password Error & Network Troubleshooting DELL E6400 Laptop WiFi Connection Issue: Post-Format, Password Error & Network Troubleshooting DELL E6400 Laptop WiFi Connection Issue: Post-Format, Password Error & Network Troubleshooting
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  • #2 16908966
    IC_Current
    Network and Internet specialist
    Windows updated to SP1, original media or downloaded from Torrents?
    Drivers directly from Dell's website or somewhere from the Internet?
    The router should be set to: WPA2 PSK AES (no automat).
    After each configuration change, delete the saved wireless networks in Windows.
    What card model?
    Helpful post? Buy me a coffee.
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  • #3 16909070
    Dianton
    Level 20  
    Windows 7 SP 1 original
    Well, the drivers are the problem here, because I do not have internet, unless I download the second computer and transfer it to my laptop. In the manager I only have the exclamation marks at Broadcom USH and the basic system device.

    Card. Dell wireless 1510 wireless N WLAN MINI CARD
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  • #4 16909144
    IC_Current
    Network and Internet specialist
    Dianton wrote:

    In the manager I only have the exclamation marks at Broadcom USH and the basic system device.

    Card. Dell wireless 1510 wireless N WLAN MINI CARD


    So you don't have the drivers installed. The card is probably Broadcom 1510. Instead of a flash drive, you can also connect your laptop to the router with a cable.
    Helpful post? Buy me a coffee.
  • #5 16909231
    Dianton
    Level 20  
    I installed the drivers but nothing helped. Still can't connect.
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  • #7 16909774
    Dianton
    Level 20  
    Yes the card is displayed correctly
  • #8 16909800
    IC_Current
    Network and Internet specialist
    Delete the list of remembered networks in the advanced wifi settings?
    Laptop connects to other access points, e.g. to the phone?
    Helpful post? Buy me a coffee.
  • #9 16910321
    makosuu
    Network and Internet specialist
    Enter the device IDs of those you are missing drivers. The drivers are there to be installed. You can also enter the service tag on Dell's website and download everything elegantly.
  • #10 16910451
    KOCUREK1970
    Network and Internet specialist
    Dianton wrote:
    Yes the card is displayed correctly

    Show the entire device manager - maybe something is still missing ...
  • #11 16995891
    Dianton
    Level 20  
    It turned out that the network card was dead. The external card solved the problem. Thank you for your help.

Topic summary

The discussion revolves around a Dell E6400 laptop experiencing WiFi connection issues after a recent format. The user reports that the laptop recognizes the network but fails to connect despite entering the correct password. Troubleshooting steps included restarting the laptop, resetting the router, disabling the firewall, and attempting to connect to a hidden ASUS network. The user confirmed that other devices connect to the WiFi without issues. Responses from the community suggested checking for proper driver installation, specifically for the Broadcom 1510 wireless card, and deleting saved wireless networks. Ultimately, it was discovered that the network card was defective, and using an external card resolved the connectivity problem.
Summary generated by the language model.
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