Windows 8 and 8.1 Forums


Clean install of windows 8.1 on new Lenovo Z50-70

  1. #1


    Posts : 6
    Windows 8.1

    Clean install of windows 8.1 on new Lenovo Z50-70


    I just purchased a Lenovo Z50-70 and want to remove the bloatware and perform a clean install. I was able to retrieve the product key using a key finder software but can't figure out how to go about performing this clean install.

    I've downloaded a windows 8.1 ISO and put it on both a DVD and a USB flash drive and trying booting to both but I keep getting some message about cable being disconnected and it doesn't seem to process through.

    The version of windows 8.1 is OEM 64-bit.

    Also, I'm looking to upgrade to Windows 10 when it's available and I hear that it will be a free upgrade for at least a year, if not more. So, I'd like to make sure whatever I do now allows me to make the upgrade in the future.

    Any help you guys can provide would be great!!!

      My System SpecsSystem Spec

  2. #2


    Canada
    Posts : 1,950
    windows 8.1 Update 1 Pro 64bit


    Is it talking about the USB cable, look at page 5 in your manual or Google this in your browser:
    ]G Z 40 50 series UG EN - Lenovo

    This is the procedure for a clean install:
    Clean Install - Windows 8
      My System SpecsSystem Spec

  3. #3


    Posts : 6
    Windows 8.1


    Quote Originally Posted by Nuccii View Post
    Is it talking about the USB cable, look at page 5 in your manual or Google this in your browser:
    ]G Z 40 50 series UG EN - Lenovo

    This is the procedure for a clean install:
    Clean Install - Windows 8
    Don't think it's referring to my USB cable as the DVD player is built in and so is the USB port so no matter if I use a DVD or a Flash drive I'm getting the same message and it boots to the Lenovo screen and then Windows after.
      My System SpecsSystem Spec

  4. #4


    Posts : 879
    Windows 10


    - Connect your Windows 8.1 USB flash drive or insert your Windows 8.1 DVD.
    - Shut down the computer.
    - Press the NOVO button and then select "Boot Menu".
    - Select your USB/DVD from the boot menu.

    How to download and clean install Windows 8.1 if you have an OEM computer with UEFI firmware (BIOS) embedded Windows 8/8.1 product key. -> link
      My System SpecsSystem Spec

  5. #5


    Posts : 6
    Windows 8.1


    Quote Originally Posted by genet View Post
    - Connect your Windows 8.1 USB flash drive or insert your Windows 8.1 DVD.
    - Shut down the computer.
    - Press the NOVO button and then select "Boot Menu".
    - Select your USB/DVD from the boot menu.

    How to download and clean install Windows 8.1 if you have an OEM computer with UEFI firmware (BIOS) embedded Windows 8/8.1 product key. -> link
    Hi, the process you outlined to boot to USB or DVD is the exact process I followed and am still getting the message about the cable. I'll look at what the exact message is when I get home and post it here as I may not be providing all the details needed.
      My System SpecsSystem Spec

  6. #6


    Posts : 9
    windows 8.1


    Quote Originally Posted by theproman23 View Post
    I just purchased a Lenovo Z50-70 and want to remove the bloatware and perform a clean install. I was able to retrieve the product key using a key finder software but can't figure out how to go about performing this clean install.

    I've downloaded a windows 8.1 ISO and put it on both a DVD and a USB flash drive and trying booting to both but I keep getting some message about cable being disconnected and it doesn't seem to process through.

    The version of windows 8.1 is OEM 64-bit.

    Also, I'm looking to upgrade to Windows 10 when it's available and I hear that it will be a free upgrade for at least a year, if not more. So, I'd like to make sure whatever I do now allows me to make the upgrade in the future.

    Any help you guys can provide would be great!!!
    hi

    where did u download oem version ? r u sure its oem of lenovo !!!! oem versions r not avail for downloadig is wat being said & browsed for oem version for v long time. no luck
      My System SpecsSystem Spec

  7. #7


    Posts : 6
    Windows 8.1


    Hmm didn't realize the installer/ISO was Lenovo specific, if it is, then no I didn't download it from Lenovo website, I thought only the product key mattered. Is there a way to download from the Lenovo site? Do I need to order boot disks from Lenovo directly?
      My System SpecsSystem Spec

  8. #8


    Posts : 9
    windows 8.1


    If not OEM version r to be specific if not right version os won activate at all. I m struck same state. No link in Lenovo site also no manufacturer share OEM ISO. Ordering boot disk hmm Chk Lenovo . my case they told to see service engineer who had no idea of disc ...
    Anyways how did u download OEM then?
      My System SpecsSystem Spec

  9. #9


    Hi

    You can always clean install an OEM version of 8.1 unless the SKU is not one of the following.

    1. Windows 8.1 with Bing

    2. Windows 8.1 Single Language with Bing

    All other editions can be clean installed by following the below steps.

    1. Use "Media Creation Tool" to download and create install media matching to the SKU version installed on your PC. The ISO/USB reated with this tool will contain "Update 3" and can be used to clean install both OEM and retail versions.

    2. Boot from the USB and it will auto detect the BIOS embedded 8.1 key if there is one. Simply continue the install as normally and activate when done.

    Create installation media for Windows 8.1 - Windows Help



      My System SpecsSystem Spec

  10. #10


    Covington, La
    Posts : 1,184
    Windows 7 HP 64bit, Windows 8.1 Pro w/Media Center 64BIT


    Follow this Tutorial Option 1 using the Media Creation Tool. I made a UEFI boot USB and it worked great. I did it on my new Lenovo Laptop and it read the key from the Bios and installed and activated. Then check Device Manager as you may have to download some additional divers.

    Windows 8 and Windows 8.1 ISO - Download or Create

    Jim
      My System SpecsSystem Spec

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Clean install of windows 8.1 on new Lenovo Z50-70
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