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Windows 7 Dual boot on Acer S3-391 Ultra Book


compucanton

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Member
Posts
10
#1

My Computer

System One

  • OS
    Windows 8

znod

New Member
Power User
Posts
2,156
#2
I would try creating the flash drive again, but no guarantees.
 

My Computer

System One

  • OS
    Win7 Ult on DIY; Win8 Pro on MBP/Parallels; Win7 Ult on MBP/Boot Camp; Win7 Ult/Win8 Pro on HP
    Computer type
    PC/Desktop
    System Manufacturer/Model Number
    DIY Rig; MacBook Pro (MBP)/Parallels/Boot Camp; HP Pavilion dv6500t Laptop
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    Intel i7-2600K (sometimes OC'd to 4.8 GHz)
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    ASUS P8P67 Deluxe Rev B3
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    Pioneer Blu-ray Burner/DVD Burner

MrShowdown

Well-Known Member
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Jakarta, Indonesia

Posts
1,048
#4
On a working system try running this:
bootsect.exe /nt60 F:
on an elevated command promptSubstitute F: to the USB Drive Letter.
 

My Computer

System One

  • OS
    Windows 10 Pro x64
    Computer type
    Laptop
    System Manufacturer/Model Number
    Lenovo Y520
    CPU
    Intel Core i5 7300HQ
    Motherboard
    OEM Lenovo
    Memory
    4GB DDR4-2400
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    NVIDIA GeForce GTX 1050
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    Realtek HD
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    1 (2)
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    1920x1080
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    Seagate 1TB 5400 RPM
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    OEM Lenovo
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    Logitech G502 Proteus Core
    Internet Speed
    100 Mbps
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    Google Chrome
    Other Info
    PC:

    AMD Athlon X4 760K
    8GB DDR3-1866
    AMD Radeon RX 460
    Seagate 500 GB 7200 RPM

theog

VIP Member
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Gold Member
Posts
5,591
#8
Welcome to EightForums.

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

Follow Step one to five in this tutorial:
http://www.eightforums.com/tutorials/13326-downgrade-windows-8-windows-7-a.html
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.)
http://www.eightforums.com/tutorials/2344-dual-boot-installation-windows-8-windows-7-vista.html



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
http://www.eightforums.com/tutorials/15458-uefi-bootable-usb-flash-drive-create-windows.html
Take note of Step 11 for Windows 7.
 

My Computer

System One

  • OS
    ME, XP,Vista,Win7,Win8,Win8.1
    Computer type
    PC/Desktop
    Other Info
    Notebooks x 3

    Desktops x 5

    Towers x 4

theog

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Posts
5,591
#11

My Computer

System One

  • OS
    ME, XP,Vista,Win7,Win8,Win8.1
    Computer type
    PC/Desktop
    Other Info
    Notebooks x 3

    Desktops x 5

    Towers x 4

theog

VIP Member
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Gold Member
Posts
5,591
#13
Are you booting the USB Drive & pluged in to a USB 2.0 port in UEFI mode? (As screenshot above)
 

My Computer

System One

  • OS
    ME, XP,Vista,Win7,Win8,Win8.1
    Computer type
    PC/Desktop
    Other Info
    Notebooks x 3

    Desktops x 5

    Towers x 4

theog

VIP Member
VIP Member
Gold Member
Posts
5,591
#15
Try with the Windows 7 x64 DVD.
 

My Computer

System One

  • OS
    ME, XP,Vista,Win7,Win8,Win8.1
    Computer type
    PC/Desktop
    Other Info
    Notebooks x 3

    Desktops x 5

    Towers x 4

theog

VIP Member
VIP Member
Gold Member
Posts
5,591
#17
Welcome to EightForums.

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

Follow Step one to five in this tutorial:
http://www.eightforums.com/tutorials/13326-downgrade-windows-8-windows-7-a.html
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.)
http://www.eightforums.com/tutorials/2344-dual-boot-installation-windows-8-windows-7-vista.html



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
http://www.eightforums.com/tutorials/15458-uefi-bootable-usb-flash-drive-create-windows.html
Take note of Step 11 for Windows 7.
http://www.eightforums.com/tutorials/13326-downgrade-windows-8-windows-7-a.html

theog said:
3) Reset BIOS to default, and reboot to BIOS make sure Secure Boot is disabled.
NOTE: Check your manufacturer's uEFI/BIOS firmware manual for settings.
Make sure CSM is ENABLED, & set to UEFI boot.
Are you booting the DVD in UEFI mode?

View attachment 16842
Make sure you are doing, Work down this list

1) Not setting BIOS.

2) Not doing Step 11

3) Not booting in UEFI mode.

4) Not using a USB 2.0 port.

5) Not using Windows 7 x64.
 
Last edited:

My Computer

System One

  • OS
    ME, XP,Vista,Win7,Win8,Win8.1
    Computer type
    PC/Desktop
    Other Info
    Notebooks x 3

    Desktops x 5

    Towers x 4

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