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Philippe94300's avatar
Philippe94300
Copper Contributor
Jan 23, 2026
Solved

Loss of WiFi after migrating from Windows 10 to Windows 11

Hello,  I have a desktop Dell PC XPS 8930, which is compatible with Windows 11, according to Microsoft application.  I've just migrated to Windows 11 (version 25H2), had an error message "impossibl...
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  • Anikaa's avatar
    Anikaa
    Jan 28, 2026

    This is a driver issue, not a hardware or Windows 11 compatibility problem.

    On the Dell XPS 8930, the Wi-Fi adapter is usually Intel, and after upgrading to Windows 11 the driver may fail to load. The iqw64e.sys message points to an Intel wireless driver conflict.

    What to do:

    • Check Device Manager

    Open Device Manager and look under Network adapters.

    If Wi-Fi is missing or shows a warning icon, the driver isn’t loaded.

    • Install the correct Wi-Fi driver manually

    Since you have no internet:

    Download the Windows 11 Wi-Fi driver for XPS 8930 from Dell’s support site on another PC

    Copy it via USB and install it manually

    • Remove old Intel drivers (if needed)

    In Device Manager, uninstall the existing wireless adapter and check “Delete the driver software”, then reinstall the Dell driver.

    • Restart the PC

    After the correct driver is installed, the Wi-Fi toggle and icon should return.

    Summary:

    You don’t need to go back to Windows 10. This happens because Windows 11 didn’t install a compatible Wi-Fi driver. Installing the proper Dell/Intel wireless driver fixes it.

JoseJ's avatar
JoseJ
Brass Contributor
Jan 23, 2026

 

This is a driver issue after the Windows 11 25H2 upgrade, not a hardware problem.

The missing Wi-Fi toggle/icon means Windows has no working Wi-Fi driver. The iqvw64e.sys error is related to Intel PROSet / wireless components failing to load after the upgrade.

Fix (no rollback needed):

  1. Get temporary internet (Ethernet or phone USB tethering).
  2. Install the Windows 11 Wi-Fi driver for Dell XPS 8930 from Dell Support (do not rely on Windows Update alone).
  3. Reboot.
  4. If needed, uninstall Intel PROSet / Wireless Software, then reinstall the Dell driver.

Wi-Fi should reappear immediately after the correct driver is installed.

Philippe94300's avatar
Philippe94300
Copper Contributor
Jan 25, 2026

Thanks a lot for your help ... but I couldn't manage to resume WiFi. 

I've got Ethernet connectivity, installed Windows 11 Wi-Fi driver from DELL Internet site, rebooted, but still didn't work. 

I don't know how to uninstall Inter PROSet / Wireless Software, that may be the issue. 

Could you please tell me how to do that ?

 

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