Slow Wi-Fi after clean install of Windows 10 v1903


  1. Keith Weisshar
    Posts : 85
    Windows 10
       New #1

    Slow Wi-Fi after clean install of Windows 10 v1903


    I have Intel 9560 Wi-Fi on my ASUS Z390 motherboard and when I do a clean install of Windows 10 v1903 I get very slow Wi-Fi speed at around 1mbps on speedtest.net. I have Xfinity Gigabit Plan with Arris TG3842G modem. Everything is slow until I manually update the Wi-Fi Driver from Windows Update to v21.10.1.2 through Device Manager which downloads very slowly and sometimes aborts and I have to retry because another driver is already installing in the background. After a few retries the Intel 9560 Wi-Fi driver finally installs and the rest of the drivers go much faster. Why is the inbox Wi-Fi driver that comes with Windows 10 extremely slow at only 1mbps download speed with 40bps upload speed at 5Ghz when running speedtest.net? If I disable and re-enable the Wi-Fi adapter in device manager using the original inbox driver I get normal download speed until the next reboot in which the download speed will become extremely slow.
    Last edited by Keith Weisshar; 20 Jun 2019 at 18:15.
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  3. erpster4
    Posts : 1,938
    Windows 7 Home Premium x64
       New #2

    most likely a bug with the Intel Wifi driver.

    report this in the Intel Forums in their Wireless Networking section.

    if not, downgrade from 1903 to an older release like 1809. currently there are some problems with Wifi & bluetooth devices working on 1903 and MS has to issue fixes (in a future cumulative update) for 1903:

    Wi-Fi and Bluetooth not working after Windows 10 May 2019 Update? Here's how to fix it - TechRepublic
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