Reformat partition 1 as NTFS, copy the bad ISO on and test again - test on all systems available 4. Defragment all files on the USB drive and make all files contiguous - re-test on all systems (use Defraggler or WinContig) 3. In Windows environment: Just download last available version ventoy-1.0.78-windows.zipĮxtract it to a folder in your HD, plug your USB device, and run Ventoy2Disk.exe from the extracted folder, (for installation guide see this link), select your prefered options and follow instructions to create (format) a USB device to use Ventoy.Īdditionally you may need the plugins mentioned on this post. Test the same Ventoy USB drive and ISO file on different systems 2. The USB device has to be created (formated) since the begining using Ventoy. Select the images files you want to back up on the USB drive and copy them. So it will not work if it is on a partition layout not created by itself. Ventoy for Windows 1.0. Open File Explorer and head to the directory where you keep your boot images.

Prohibit the use of Ventoy in unofficial environments. Ventoy starting from version 1.0.28 has this note on page: Ventoy topic in reboot.pro, from this post: The author of Ventoy introduced changes to explicitly avoid doing it since version 1.0.28. Appreciate any helpful replies,links to manually copy ventoy EFI ffiles to a UFD that has been diskpart multipartitioned with windows 10 PC.

Ventoy boot windows 10