Windows 8 and 8.1 Forums


UEFI Bootable USB Flash Drive - Create in Windows

  1. #230


    Sydney, Nova Scotia, Canada
    Posts : 6,487
    Windows 10 Education 64 Bit


    Third times a charm I guess. I went though Option 2 one more time but did a full format format fs=fat32 instead of the quick, format fs=fat32 quick and was able to boot from it. Haven't finished installing just yet though. It didn't read my embedded key so I guess I'll have to use one of my TechNet keys.

      My System SpecsSystem Spec

  2. #231


    Posts : 22,272
    64-bit Windows 10


    That's great news Kerry.

    Not sure why it didn't detect your embedded W8 key unless the one you are installing is different (ex: language, PRO vs 8) than what the key was for.
      My System SpecsSystem Spec

  3. #232


    Sydney, Nova Scotia, Canada
    Posts : 6,487
    Windows 10 Education 64 Bit


    The ISO I used was en_windows_8_1_x64_dvd_2707217 which is Windows 8.1 (multiple editions) (x64) - DVD (English). It didn't ask what version to install, it just prompted for a product key. That's going to piss a few OEM's off I would think. I tried a TechNet Windows 8 Pro key but it wouldn't accept that either. I finally entered my TechNet 8.1 Pro key and it accepted that. Activated online fine too. I'm just getting ready to add Media Center etc. Hard drive layout is identical to what it was before 300MB Recovery, 100MB EFI, and then the Windows Partition. Boot To UEFI option is there too, just in a different place in the menus. That takes me to the same BIOS screen as before. I didn't notice anything different this time around using a fat32 formatted thumb drive. It was UEFI before and is UEFI now. It was actually more work making the fat32 drive then just using the Windows 7 DVD Download tool. Since using the tool works for me I'm going back to using that to make my install thumb drives. As always your mileage may vary. Thanks for all the help Brink and great tutorial.
      My System SpecsSystem Spec

  4. #233


    Posts : 22,272
    64-bit Windows 10


    You're welcome Kerry.

    Yep, that's going to make them mad alright. The 8 key isn't going to work with 8.1 installation media. OEM PC's that came with 8 will need to use the upgrade from 8 to 8.1 from within 8 route instead to be able to use their embedded key.

    Oh yeah, manually creating the UEFI USB is a lot more work than using Rufus to do it.

    I hope the rest of the setup goes smooth.
      My System SpecsSystem Spec

  5. #234


    Sydney, Nova Scotia, Canada
    Posts : 6,487
    Windows 10 Education 64 Bit


    So far so good, I just added Media Center and that activated OK. It seemed to update faster than before too. No yellow ! in device manager and everything seems to be working. I haven't updated any drivers manually. No glitches like I had in the preview. That was an upgrade though so that was no surprise. I'll take a clean install over an upgrade any day of the week. I likely won't post again unless I have an issue or notice something strange. Take care
      My System SpecsSystem Spec

  6. #235


    Posts : 835
    Win 8.1 Pro


    Note: I did not need to turn off Secure Boot or change anything....

    I followed Option 1 using Rufus 1.3.4
    Installed on my Surface Pro
    Used the install Keys that are out there to install it
    Had to do the following to Activate

    Command prompt (Admin).
    Type slmgr/upk to uninstall the current product key.
    Type slmgr/cpky to clear the product key from the registry.
    Type slmgr/rearm to reset the Windows 8 license.
    Reboot and then you can type in a new Key to activate

    Activated without issue.

    Win 8.1 running and Activated on Surface Pro.
    Also, Latest Drivers and Firmware updated without issue via Windows Update.

    Thanks for the tutorial Brink, it saved me a ton of time through trial and error.

    Hope this post helps others.

    BTW, 8.1 on my Surface Pro works and is really nice. Love the new Outlook Mail.
      My System SpecsSystem Spec

  7. #236


    Sydney, Nova Scotia, Canada
    Posts : 6,487
    Windows 10 Education 64 Bit


    Quote Originally Posted by Tepid View Post
    Note: I did not need to turn off Secure Boot or change anything....

    I followed Option 1 using Rufus 1.3.4
    Installed on my Surface Pro
    Used the install Keys that are out there to install it
    Had to do the following to Activate

    Command prompt (Admin).
    Type slmgr/upk to uninstall the current product key.
    Type slmgr/cpky to clear the product key from the registry.
    Type slmgr/rearm to reset the Windows 8 license.
    Reboot and then you can type in a new Key to activate

    Activated without issue.

    Win 8.1 running and Activated on Surface Pro.
    Also, Latest Drivers and Firmware updated without issue via Windows Update.

    Thanks for the tutorial Brink, it saved me a ton of time through trial and error.

    Hope this post helps others.

    BTW, 8.1 on my Surface Pro works and is really nice. Love the new Outlook Mail.
    I used the leaked 8.1 install key on my desktop to install. After that all I did was click activate windows and then clicked "enter a product key". Then I just typed in a Windows 8 key.
      My System SpecsSystem Spec

  8. #237


    Posts : 22,272
    64-bit Windows 10
      My System SpecsSystem Spec

  9. #238


    Posts : 835
    Win 8.1 Pro


    Quote Originally Posted by alphanumeric View Post
    Quote Originally Posted by Tepid View Post
    Note: I did not need to turn off Secure Boot or change anything....

    I followed Option 1 using Rufus 1.3.4
    Installed on my Surface Pro
    Used the install Keys that are out there to install it
    Had to do the following to Activate

    Command prompt (Admin).
    Type slmgr/upk to uninstall the current product key.
    Type slmgr/cpky to clear the product key from the registry.
    Type slmgr/rearm to reset the Windows 8 license.
    Reboot and then you can type in a new Key to activate

    Activated without issue.

    Win 8.1 running and Activated on Surface Pro.
    Also, Latest Drivers and Firmware updated without issue via Windows Update.

    Thanks for the tutorial Brink, it saved me a ton of time through trial and error.

    Hope this post helps others.

    BTW, 8.1 on my Surface Pro works and is really nice. Love the new Outlook Mail.
    I used the leaked 8.1 install key on my desktop to install. After that all I did was click activate windows and then clicked "enter a product key". Then I just typed in a Windows 8 key.
    Sorry, I failed to mention this in my above post...

    Surface Pro has the key embedded in BIOS and I think it thought it was going to use that??,
    it did not give me the Enter Key button under Activate Windows, like my Laptop did, which does not have an embedded key.
    Even after I entered the proper key and activated, I found that my WIFI was not connected
    When I checked again after entering the key, the Enter Key Button again was missing.
    Not sure if this is just the way it works on Surface Pro or embedded keys or what.

    I did find that I think, under PC and Devices / PC Info, you can click Change Product Key there.
    I didn't see this till after I did the above which did work.
    Which is what Brink posted that link for.
      My System SpecsSystem Spec

  10. #239


    Posts : 22,272
    64-bit Windows 10


    Just happy to hear that you got it sorted Tepid.
      My System SpecsSystem Spec

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UEFI Bootable USB Flash Drive - Create in Windows
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