Windows 10: Can't connect to WiFi on Dell XPS Studio 1640

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  1.    16 May 2017 #1

    Can't connect to WiFi on Dell XPS Studio 1640

    My laptop is nearly 7 years old and came with Vista. I upgraded to Windows 7 Professional then to Windows 10 in August 2015. Now all of a sudden, it will not connect to WiFi, at home, or in a public place. My other laptop, iPad and Samsung Note 8 Tablet have no issues.

    Device manager says all is well and working properly with Intel Wireless Link 5100 adapter.
    I've performed an upgrade (keep files and apps) but to no avail.
    Executed certain commands in Command Promt, but no luck.
    Computer recognizes the router but after entering security key says "cant connect to this network."
    Even downloaded via other computer updated driver but when executing install, doesn't change the original.
    Can't run driver update from Intel due to no connection

    Is the Intel Wireless Link 5100 adapter an embedded chip on the computer with a driver being a part of the Windows 10 operating system, (2 separate things), or is the Wireless Link 5100 the driver itself? In other words, is a driver added to the embedded Wireless Link 5100 Adapter to make it work?
      My ComputerSystem Spec

  2. bro67's Avatar
    Posts : 4,887
    Mac OS High Sierra 10.13.5
       16 May 2017 #2

    You need to go into Device Manager and remove device and driver then reboot and let Windows install the default driver. If you went to Creators Update as an upgrade, you may have to do a clean install with the Windows 7 Pro license when asked for it during install.
      My ComputerSystem Spec

  3.    16 May 2017 #3

    I had already tried that and it didn't work, but tried it again just to make sure, but still no success.
      My ComputerSystem Spec

  4. bro67's Avatar
    Posts : 4,887
    Mac OS High Sierra 10.13.5
       17 May 2017 #4

    You need to install the latest Intel Proset driver for Windows 8.1 or the Windows 7 driver.
      My ComputerSystem Spec

  5.    17 May 2017 #5

    I'd already ran both the Intel


    But again, no luck. I assume these are self installed, but perhaps they are not the correct ones, or, I'm not doing something correctly.
      My ComputerSystem Spec

  6. bro67's Avatar
    Posts : 4,887
    Mac OS High Sierra 10.13.5
       17 May 2017 #6

    That is the correct driver if Windows installed it. The package that shows on Intel's website does not necessarily mean that they have updated the driver. Especially for a older wifi card. If it is a mini-PCIe card. You should be able to swap it out for the 726x series. You will not get Bluetooth, but it will work. Now if you want something better, just disable the internal Wifi card and use a USB adapter for wifi. I doubt that it could run the internal 8000 series PCIe mini-cards.

    You may want to check to make sure that the card did not get disabled on the bios or the Fn key get pressed to turn off the wifi.
      My ComputerSystem Spec

  7.    17 May 2017 #7

    Can you connect to an unencrypted network old cards carnt understand new encryption but will connect to open networks or wep ones
      My ComputerSystem Spec

  8.    17 May 2017 #8

    I'll give these things a try a little later when I have more time.
    Thanks guys.
      My ComputerSystem Spec

  9.    19 May 2017 #9

    OK guys, nothing I seem to do works. In fact I've just completer a clean install of Windows 10 Pro, but the problem remains.
    Just to be clear;
    1 Throughout this problem, all the available networks are shown by clicking on the Wi Fi icon.
    2 After entering the security key, it says, "Can't connect to this network."
    3 I even tried pushing the button on the router. The computer says it's trying to get the settings from the router, then the
    Same message, "Can't connect to this network".
      My ComputerSystem Spec

  10. Fafhrd's Avatar
    Posts : 1,927
    Windows 10 x86 14383 Insider Pro and Core 10240
       19 May 2017 #10

    Click image for larger version. 

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    It is a Mini card adapter - deprecated because it is old now, but still should work unless it has a fault.

    It could have become unseated (unlikely), or the contacts could have corroded due to condensation or atmospheric deposits, or just a component on the adapter or on the motherboard may have failed.

    The simplest action is to remove the back of the laptop, and gently clean the adapter card's contacts using a pencil eraser, or with a Q-tip and electronic contact cleaner fluid.

    Youtube has plenty of videos showing disassembly, and the search has links to Dell service manuals that describe the process:

    Dell XPS Studio 1640 disassembly - Google Search
      My ComputersSystem Spec

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