Windows 10: Installing Windows 7 on a Windows 10 Laptop. Boot device not found.

Discus and support Installing Windows 7 on a Windows 10 Laptop. Boot device not found. in Windows 10 Installation and Upgrade to solve the problem; I am trying to clean install Windows 7 on my Windows 10 Laptop but every time it comes back on it loads the message. "Boot device not found." Please... Discussion in 'Windows 10 Installation and Upgrade' started by PaleGoldenCat, Aug 12, 2019.

  1. Installing Windows 7 on a Windows 10 Laptop. Boot device not found.


    I am trying to clean install Windows 7 on my Windows 10 Laptop but every time it comes back on it loads the message. "Boot device not found." Please help. I am using a USB to install Windows 7. The ISO file has been burned onto the usb using AnyBurn. I also formatted and deleted all files on the usb before burning Windows 7 onto it.

    :)
     
    PaleGoldenCat, Aug 12, 2019
    #1

  2. Installing Windows 10 using Windows 7 key

    Nope, you need to install Windows 10 first and make sure the Windows 7 key is transferred to your Windows account after you've installed Windows 10 (not quite sure how that works). I missed the last step and I could not activate Windows 10 after a re-install... Microsoft seem to have done everything they can to make it a PITA. Also, it's technically too late to do this now anyhow, as the upgrade offer has expired. But KMSPico works quite well...

    As for getting rid of Windows, delete the Windows folder.
     
    TheLostSwede, Aug 12, 2019
    #2
  3. P4-630 Win User
    windows 10 boot problems

    I had windows 10 installed on my old laptop, I also had a boot problem, but my HDD just stopped spinning and I was unable to load windows.
    It still had the Asus factory recovery partition which I used to reinstall windows 7.
    I found out that my HDD was fine in windows 7, nothing wrong with it, staying with windows 7 SP1 on this laptop and I stay with windows 8.1 on my main laptop.
    No windows 10 for me!
     
    P4-630, Aug 12, 2019
    #3
  4. Jborg Win User

    Installing Windows 7 on a Windows 10 Laptop. Boot device not found.

    windows 10 slow boot

    I was having a slow boot issue on my Windows 7 install a little while back. It would take about 30 - 40 extra seconds to boot up for whatever reason.

    I would try following these steps, while this didn't solve my issue, it did increase Read/Write to where it should be.

    10 Tips for SSD Optimization in Windows 7 - Part 1

    Looks to be similar to this: SSD Optimization for Windows


    In the end, I had to reinstall my Windows 7 entirely to fix the booting issue. It was taking around 35 seconds to boot, and after the fresh install it takes about 7 seconds to boot.
     
    Jborg, Aug 12, 2019
    #4
Thema:

Installing Windows 7 on a Windows 10 Laptop. Boot device not found.

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