Issues with windows vista/7 ISO's with ventoy

[johnson]

Hi,

I apologise if this went in the wrong forum.

Recently I tried ventoy to hopefully not have gazilion drives just to install each OS. I put the following ISOs on it which are known good:
windows 7 home premium x64
vista x64 all versions sp1
vista x86 all versions sp1
windows 7 pro x64

After I got into the boot menu I selected vista x86 and I got blinking underscore when I did normal boot. So I tried wimboot mode but that resulted in the setup not being able to load some disk driver.

I then selected vista x64 and it seemed to go smoothly until I got to the partition creation wizard. After it I got an error "setup couldn't find an valid partition table".
I also couldn't boot any ISO in normal mode. All had to be booted using wimboot mode.

I lastly tried the win 7 home premium x64 and I got an windows asking me to point to a driver for the USB/CD install disk.


Hardware I used:
Known good 32GB USB stick (no problems if I mount any ISO using rufus)
NTT model 8581 Windows Vista era laptop (boots normally with USBs which only have one ISO written on it).

Any ideas how can I fix it? This laptop doesn't support secure boot and the Ventoy USB drive was made without secure boot option.

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[Steve2926]

https://ventoy.net/en/isolist.html
Vista is not in the list

A no valid partition error might be because your disk was previously a GPT disk. You may need to use diskpart to clean it and convert mbr

win 7 may not contain USB drivers. You may need to find an ISO with added USB drivers.

[johnson]

https://ventoy.net/en/isolist.html
Vista is not in the list

A no valid partition error might be because your disk was previously a GPT disk. You may need to use diskpart to clean it and convert mbr

win 7 may not contain USB drivers. You may need to find an ISO with added USB drivers.

I did double check if the USB disk is GPT, and it wasn't. I have already wiped it by "clean" command in diskpart.

As for the vista being unsupported, I just wanted to check if it's really not going to work. Let's focus on the w7 ISO now.

Any ideas?

[johnson]

Okay, I cleaned the entire USB in diskpart, used ventoy without secureboot support, MBR partition in NTFS for known good win7 ISO, but same behavior.
In normal boot the underscore is just flashing and apart from that nothign is being extecuted.
In wimboot mode the installer launches but then asks for some unknown driver.

Any ideas?