Windows 10: Unable to install 20H2 from USB or upgrade from Windows update

Discus and support Unable to install 20H2 from USB or upgrade from Windows update in Windows 10 Installation and Upgrade to solve the problem; I want to do a fresh install of my Acer laptop, but the Live USB of 20H2 v2 (2021-02-27 download), which I used to install the Desktop several weeks... Discussion in 'Windows 10 Installation and Upgrade' started by ineuw, May 4, 2021 at 6:17 AM.

  1. ineuw Win User

    Unable to install 20H2 from USB or upgrade from Windows update


    I want to do a fresh install of my Acer laptop, but the Live USB of 20H2 v2 (2021-02-27 download), which I used to install the Desktop several weeks ago, stops the installation because it's missing a driver. Then I tried to update it with the offer on the Settings\Updates and this returns me to the same screen. Currently, it's Windows 10 Home v2004 build 19041.928 AMD Ryzen 3 3200U with Radeon Vega Mobile Gfx 8GB RAM

    :)
     
  2. ineuw Win User

    Unable to install 20H2 from USB or upgrade from Windows update

    Thanks for the suggestion. Just before I was about to use the upgrade assistant, Windows update demanded a reboot. After reboot, the system was upgraded to 20H2, 24 hours after I clicked on the upgrade offer. System info indicates 20H2 but the update screen still offers to upgrade to 202H.
     
  3. thraxed Win User
    Installing windows off of a USB stick

    Step By Step from vista:
    From admin cmd prompt

    1. diskpart
    1a. list disk
    2. select disk 1 (replace 1 with your usb drive)
    3. clean
    4. create partition primary
    5. select partition 1 (replace 1 with your usb drive)
    6. active
    7. format fs=fat32
    8. assign
    9. exit

    Copy Windows Vista's DVD ROM content to the Flash Drive

    xcopy d:\*.* /s/e/f e:\ (d being your vista cd and e being your usb stick)

    And that's it, boot off your usb disk
     
  4. WhSmk Win User

    Unable to install 20H2 from USB or upgrade from Windows update

    Unable to install 20H2 and KB4568831

    Unable to install updates 20H2 and KB4568831. Updates are downloaded, installed, the installation reaches 100% and everything starts from the beginning, I've tried many installation methods, nothing helps.
     
Thema:

Unable to install 20H2 from USB or upgrade from Windows update

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