Windows 8 and 8.1 Forums

Windows 7 Dual boot on Acer S3-391 Ultra Book

  1. #1

    Windows 7 Dual boot on Acer S3-391 Ultra Book

    I need to Dual boot my acer. I followed the instructions on UEFI Bootable USB Flash Drive - Create in Windows to create a uefi boot usb drive. I then go into Advanced start up to boot from usb drive.

    It starts loading but then hangs on "Starting Windows" I then try to load it through windows 8 and it starts loading copies all files the restarts and the the same thing.

    Any idea?

      My System SpecsSystem Spec

  2. #2

    Posts : 2,156
    Win7 Ult on DIY; Win8 Pro on MBP/Parallels; Win7 Ult on MBP/Boot Camp; Win7 Ult/Win8 Pro on HP

    I would try creating the flash drive again, but no guarantees.
      My System SpecsSystem Spec

  3. #3

    I have even used a different flash drive. Trying an external usb hard drive now
      My System SpecsSystem Spec

  4. #4

    On a working system try running this:
    bootsect.exe /nt60 F:
    on an elevated command promptSubstitute F: to the USB Drive Letter.
      My System SpecsSystem Spec

  5. #5

    ok will do that now
      My System SpecsSystem Spec

  6. #6

    Same thing
      My System SpecsSystem Spec

  7. #7

    I tried the bootsect.exe and got an error
    Attached Thumbnails Attached Thumbnails Capture.JPG  
      My System SpecsSystem Spec

  8. #8

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

    Welcome to EightForums.

    S3-391 | Product Model
    With Windows 8 Pre-installed.

    Follow Step one to five in this tutorial:
    Downgrade Windows 8 to Windows 7
    Warning ,you must have the uEFI/BIOS firmware settings in Step Three set.
    Also take note of the note about Dual booting.

    Than follow this tutorial: (installing in uEFI mode.)
    Dual Boot Installation - Windows 8 and Windows 7 or Vista

    You will need to buy a Windows 7 license, as you can not tranfer the Dell OEM license to your new PC.

    If Using a USB Pendrive on a PC with a uEFI BIOS.
    USB Pendrive need to be formated to FAT32 as in
    UEFI Bootable USB Flash Drive - Create in Windows
    Take note of Step 11 for Windows 7.
      My System SpecsSystem Spec

  9. #9

    It will not let me turn secure boot off
    Attached Thumbnails Attached Thumbnails IMAG0094.jpg   IMAG0095.jpg  
      My System SpecsSystem Spec

  10. #10

    Got it disabled and followed everything but still stuck on ting Windows
      My System SpecsSystem Spec

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Windows 7 Dual boot on Acer S3-391 Ultra Book

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