WIFI intermittent on a Lenovo T420 upgrade Windows 8.1 to Windows 10.

  1. Posts : 12
    windows 10-32bit

    WIFI intermittent on a Lenovo T420 upgrade Windows 8.1 to Windows 10.

    After the upgrade I performed a "Reset this PC" with "Keep my files". Periodically the wifi will die. No networks will appear in the list in the pane which appears when one clicks the icon at the bottom right.The fastest way to fix it is to click the left-most button twice, which seems to disable/re-enable and automatically reconnect to the network. I have checked the router. The problem is not manifesting on another Lenovo laptop upgraded the same way. I am using the latest available network driver.So far I haven't performed a clean install due to the time it will take. Let me guess a clean install will solve?
      My Computer

  2. spapakons's Avatar
    Posts : 3,014
    Windows 10 Pro 64-bit 21H1 (May 2021 build 19043.1083)

    Maybe Windows Update replaced the WiFi driver and the new one is not 100% compatible with your model. Try installing the driver from Lenovo's site. To keep Windows Update from replacing it again, see this post of how to hide the relevant updates so they are excluded.
      My Computer


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