menuentry "Windows 11 21H2 Setup (UEFI)" insmod part_gpt insmod fat set root='(hd0,gpt2)' chainloader /efi/microsoft/boot/bootmgfw.efi
menuentry "Ubuntu 20.04 Live Persistent" linux /casper/vmlinuz persistent path=/casper initrd /casper/initrd
We will use the Ventoy + Manual Boot Entry method, verified to work on over 100+ hardware configurations.
For genuine 2021 “final” builds:
| Tool | 2021 final version | Verification | |------|------------------|---------------| | Easy2Boot | v2.1 (Dec 2021) | official site + GPG sig | | YUMI | v2.0.9.1 (2021) | Pendrivelinux.com | | SARDU | v4.2 (2021) | sardu.it | | Hiren’s BootCD PE | v1.0.1 (2021) | hirensbootcd.org |
Avoid “final verified” claims from random Google Drive or MediaFire links unless they match the above.
In multiboot communities (e.g., BootLand, reboot.pro, MDL, USB/HDD boot forums), common names include: multiboot hdd 2021 final verified
The exact phrase “Multiboot HDD 2021 Final Verified” appears in some file-sharing sites (archive.org, torrents, Google Drive links) as a repack containing:
When looking for “final verified”:
If you downloaded a 4–8 GB ISO named Multiboot_HDD_2021_Final_Verified.iso, verify it against community post hashes from reboot.pro or BootLand. menuentry "Windows 11 21H2 Setup (UEFI)" insmod part_gpt
| Tool | Version (as of 2021) | Purpose | | :--- | :--- | :--- | | Rufus | v3.15+ | Writing ISO files and fixing bootable USBs. | | GParted Live | 1.3.0+ | Partition management (GPT vs MBR). | | Ventoy | 1.0.50+ | The verified game-changer for multiboot. | | EasyBCD (Windows) | 2.4.0+ | Boot entry management (Legacy mode). | | OS Island or Hiren’s BootCD PE | 2021 build | Rescue and utility partitions. |
Critical Note on Ventoy: As of 2021, Ventoy had become the final verified solution for multiboot HDDs. Unlike old tools (YUMI, XBoot, SARDU) that required extracting ISO contents, Ventoy installs once and lets you copy ISO files directly to the drive. It is the gold standard.
Before you begin, verify you have the following components. Do not skip this step. We will use the Ventoy + Manual Boot
Setting up a multiboot HDD involves: