Windows 7 won’t boot off external HDD

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System One System Two

  • Computer type
    PC/Desktop
    OS
    7 X64
    CPU
    i5 8400
    Motherboard
    gigabyte b365m ds3h
    Memory
    2x8gb 3200mhz
    Hard Drives
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    PSU
    pure power 11 400w cm
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    Coolermaster
    Cooling
    cryorig m9i
  • Computer type
    PC/Desktop
    OS
    7x64
    CPU
    g5400
    Motherboard
    ga b365m ds3h
    Memory
    8gb ddr4 2400
    PSU
    xfx pro 450w
SIW2 i did as you said, i slipstreamed the usb 3.0 drivers into the iso, and the updates, but it gave an error, iso already had the updates, so i used winntsetup to install the windows, used the script, CSM support on, BSOD, 0x7B, i dont know if i did something wrong
 

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System One System Two

  • Computer type
    Laptop
    Computer Manufacturer/Model Number
    Lenovo ThinkPad T480
    OS
    Windows 10 Professional x64, MacOS 14.4.1 x86 (hackintosh), Linux Mint x64
    CPU
    Intel i5-8350u 1.70ghz
    Memory
    8GB 2400mgz DDR4
    Graphics Card(s)
    Intel UHD 620 graphics
    Sound Card
    Realtek(R) audio
    Monitor(s) Displays
    LCD
    Screen Resolution
    1366x768
    Hard Drives
    500GB Nvme SSD, 500GB 2,5 inch sata HDD, 160GB 2,5 inch sata HDD, 32GB microSD card
  • Computer type
    PC/Desktop
Use an official microsoft iso to begin with.

They are easy to find
 

My Computers My Computers

System One System Two

  • Computer type
    PC/Desktop
    OS
    7 X64
    CPU
    i5 8400
    Motherboard
    gigabyte b365m ds3h
    Memory
    2x8gb 3200mhz
    Hard Drives
    various
    PSU
    pure power 11 400w cm
    Case
    Coolermaster
    Cooling
    cryorig m9i
  • Computer type
    PC/Desktop
    OS
    7x64
    CPU
    g5400
    Motherboard
    ga b365m ds3h
    Memory
    8gb ddr4 2400
    PSU
    xfx pro 450w
SIW2 microsoft does not provide windows 7 iso anymore, i have to use one from archive.org, im not sure if it work this time...

- - - Updated - - -
SIW2 i found a iso from archive.org, had no updates, i slipstreamed usb 3.0 drivers and updates you gave me, yet still BSOD 0x7B, i cant find a official microsoft iso from windows 7, ntlite said its successful as you can see, and i used your script, yet no success Screenshot (140).pngScreenshot (141).pngScreenshot (142).png

- - - Updated - - -
SIW2 i might sound inpatient but, you aren’t really replying, is there no hope anymore? The 0x7B indicates there is no 3.0 drivers so there is disk errror, the 0x7E pasts the disk.sys but stops at achix64.sys, my freind told me to switch the sata mode into achi, but there is no option in the bios, i have no idea what to do
 

My Computers My Computers

System One System Two

  • Computer type
    Laptop
    Computer Manufacturer/Model Number
    Lenovo ThinkPad T480
    OS
    Windows 10 Professional x64, MacOS 14.4.1 x86 (hackintosh), Linux Mint x64
    CPU
    Intel i5-8350u 1.70ghz
    Memory
    8GB 2400mgz DDR4
    Graphics Card(s)
    Intel UHD 620 graphics
    Sound Card
    Realtek(R) audio
    Monitor(s) Displays
    LCD
    Screen Resolution
    1366x768
    Hard Drives
    500GB Nvme SSD, 500GB 2,5 inch sata HDD, 160GB 2,5 inch sata HDD, 32GB microSD card
  • Computer type
    PC/Desktop
It can be done on that machine with an internal disk.

https://youtu.be/HDG9ySLeCsk?t=232

Therefore it should be possible via usb with the correct drivers and settings.
 

My Computers My Computers

System One System Two

  • Computer type
    PC/Desktop
    OS
    7 X64
    CPU
    i5 8400
    Motherboard
    gigabyte b365m ds3h
    Memory
    2x8gb 3200mhz
    Hard Drives
    various
    PSU
    pure power 11 400w cm
    Case
    Coolermaster
    Cooling
    cryorig m9i
  • Computer type
    PC/Desktop
    OS
    7x64
    CPU
    g5400
    Motherboard
    ga b365m ds3h
    Memory
    8gb ddr4 2400
    PSU
    xfx pro 450w
SIW2 I think the closest we got is with the 0x7E iso, it passes the disk.sys, it stops at achix64.sys, do you have any idea about what it could be?
 

My Computers My Computers

System One System Two

  • Computer type
    Laptop
    Computer Manufacturer/Model Number
    Lenovo ThinkPad T480
    OS
    Windows 10 Professional x64, MacOS 14.4.1 x86 (hackintosh), Linux Mint x64
    CPU
    Intel i5-8350u 1.70ghz
    Memory
    8GB 2400mgz DDR4
    Graphics Card(s)
    Intel UHD 620 graphics
    Sound Card
    Realtek(R) audio
    Monitor(s) Displays
    LCD
    Screen Resolution
    1366x768
    Hard Drives
    500GB Nvme SSD, 500GB 2,5 inch sata HDD, 160GB 2,5 inch sata HDD, 32GB microSD card
  • Computer type
    PC/Desktop
SIW2 BIG UPDATE!!: I have finally succeeded, thanks to your windows 7 installation media, I have made an iso, and it works both internally and externally (via VHD and normal installation ) (externally only works via VHD) I’m making a GitHub repo for a guide how to do this, I will credit you in the repo along with some other people like my friend Sevoos, who helped me allot, why make an GitHub repo? I really wanted to do one for a long time, I don’t know why, the ISSUE was indeed, ahcix64s.sys, which is an AMD driver, just removing them from the drivers fixes it!
 

My Computers My Computers

System One System Two

  • Computer type
    Laptop
    Computer Manufacturer/Model Number
    Lenovo ThinkPad T480
    OS
    Windows 10 Professional x64, MacOS 14.4.1 x86 (hackintosh), Linux Mint x64
    CPU
    Intel i5-8350u 1.70ghz
    Memory
    8GB 2400mgz DDR4
    Graphics Card(s)
    Intel UHD 620 graphics
    Sound Card
    Realtek(R) audio
    Monitor(s) Displays
    LCD
    Screen Resolution
    1366x768
    Hard Drives
    500GB Nvme SSD, 500GB 2,5 inch sata HDD, 160GB 2,5 inch sata HDD, 32GB microSD card
  • Computer type
    PC/Desktop
:-)
 

My Computers My Computers

System One System Two

  • Computer type
    PC/Desktop
    OS
    7 X64
    CPU
    i5 8400
    Motherboard
    gigabyte b365m ds3h
    Memory
    2x8gb 3200mhz
    Hard Drives
    various
    PSU
    pure power 11 400w cm
    Case
    Coolermaster
    Cooling
    cryorig m9i
  • Computer type
    PC/Desktop
    OS
    7x64
    CPU
    g5400
    Motherboard
    ga b365m ds3h
    Memory
    8gb ddr4 2400
    PSU
    xfx pro 450w
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