Windows 8 and 8.1 Forums

Downgrade to Win7, stuck in bootloop. USB Unrecognized.

  1. #1

    Posts : 4
    Windows 8

    Downgrade to Win7, stuck in bootloop. USB Unrecognized.

    New to the forums, so I apologize if I am in the wrong place. Looking for any help, all is appreciated.

    I really may have screwed the pooch on this one.

    I purchased a new Lenovo y50-70 laptop (non-touch) a month ago, and have been enjoying it for a while, but Win8 was becoming a huge problem, and generally I just like Win7 better, so today I decided to downgrade. I followed this tutorial here: Downgrade Windows 8 to Windows 7

    Everything was running pretty smoothly, I downloaded the Win7 ISO from here: Windows 7 Direct Download Links, Official Disk Images from Digital River

    The specific file was "Windows 7 Home Premium x64 SP1 U (media refresh)"

    I have a copy of Windows 7 OEM edition from building a PC, but I decided to download the ISO for the sake of the guide.

    Back on track, everything was running pretty smoothly except for one error, I forgot to enable Legacy Mode in BIOS, which I did then was excited when I finally got the Windows 7 installer to load completely (it had been freezing on the "Starting Windows
    screen as a result of Legacy Mode being off) until I hit the drive management section. In the screen, I saw 2 drives, Drive 0 (931.7 GB) and Drive 1 (7.5 GB). As per the guide, I launched a command prompt (Shift-F10), DISKPART, DISK LIST, SELECT, and CLEAN'd both of them. Then, when I selected my 931.7 GB drive I was presented with the Error: "Windows is unable to install to the selected location. Error:0x803000001"
    I tried creating new drives, formatting, but no matter what I got the same error.

    Googling around, I looked for answers and one man said to turn off and back on into BIOS, then make sure my drives were in the right order, then attempt again. I booted into BIOS, made sure my drives were in order, then rebooted, hit F12, selected the USB, and then got into prompt of text, where my computer then rebooted, and now I am stuck in a boot loop.

    In BIOS, I recieve no list of drives under the UEFI section, only under legacy are 3 drives listed, my SATA drive, my USB, and some network function.

    Any help is appreciated.

      My System SpecsSystem Spec

  2. #2

    Posts : 4
    Windows 8

    I just realized how much of a dope I am.

    "Wiped Drive 1"



    Gonna redo the ISO then update this post, hopefully it goes well.
      My System SpecsSystem Spec

  3. #3

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

    You won't do that again, Guaranteed. That's how we learn, by doing dumb things.
      My System SpecsSystem Spec

  4. #4

    Posts : 4
    Windows 8

    Yup, that was it. Install went fine. Re cleaned ONLY drive 0 this time, install went smooth after that.

    Onto the driver installing phase.
      My System SpecsSystem Spec

  5. #5

    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1

    I saw 2 drives, Drive 0 (931.7 GB) and Drive 1 (7.5 GB).
    You have a mSATA set up.

    Forum tutorial link:
    Install Windows on MSATA (SSD) Drive - Windows 7 Help Forums
    Install Windows on System with MSATA and ISRT - Windows 7 Help Forums
      My System SpecsSystem Spec

Downgrade to Win7, stuck in bootloop. USB Unrecognized.
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