It formats, hides, activates, and changes partition IDs without the arbitrary restrictions imposed by Windows Disk Management.
| Scenario | GUI/Auto Result | Manual Result (Better) | |----------|----------------|------------------------| | Dual-boot Windows + Linux with GRUB2 | GUI may overwrite GRUB with Windows MBR | Manual: backup GRUB stage1, reinstall Windows MBR to boot sector only, not track 0 | | USB stick with 3 bootable ISOs | Auto-sort often fails | Manual PBR chaining (e.g., BOOTMGR → GRUB4DOS → SysLinux) | | Recovering after ransomware that wiped boot sector | GUI refuses to restore from custom offset | Manual: Restore MBR from backup file with byte-for-byte validation | | Upgrading from BIOS to UEFI without reinstalling | Not supported | Manual: use BootICE to convert MBR to GPT non-destructively (if space allows) |
Why it helps:
Click and accept the default file naming conventions.
Select your destination disk under "Destination Disk" and click Process MBR . bootice manual better
Are you trying to fix a , or are you setting up a multi-boot USB drive?
: Install or backup MBR types like Grub4Dos, SysLinux, or Windows NT 5.x/6.x. Process PBR : Modify the boot record of specific partitions. Parts Manage It formats, hides, activates, and changes partition IDs
Use the Hide button to remove a drive letter and restrict OS visibility, or Unhide to restore standard access. 3. MBR and PBR Deployment Strategies