# Identify recovery partition diskpart list volume exit reagentc /disable reagentc /setreimage /path T:\Recovery\WindowsRE (T = recovery volume letter) reagentc /enable

| Partition | Size (typical) | Type | Contents | |-----------|----------------|------|-----------| | EFI System Partition (ESP) | 100 MB | FAT32 | Bootloaders, BCD | | Microsoft Reserved (MSR) | 16 MB | RAW | | | Windows (C:) | Varies | NTFS | OS | | ASUS Recovery Partition | 15–25 GB | NTFS | WinRE + factory WIM image | | ASUS Restore Partition (optional) | 500 MB–1 GB | NTFS | Drivers, preload tools |

If recovery partition is destroyed, download from ASUS support website (via serial number) and reinstall. 6. Troubleshooting ASUS WinRE Errors | Error / Symptom | ASUS-Specific Cause | Solution | |----------------|----------------------|----------| | F9 not launching recovery | Fast Boot enabled in BIOS | Enter BIOS (F2) → Boot → Fast Boot → Disabled → F10 save | | WinRE says “No recovery image” | ASUS recovery partition corrupted or deleted | Use ASUS Backtracker USB or order ASUS recovery USB | | “Reset this PC” missing option | Group Policy or missing winre.wim | Run reagentc /enable from Windows ISO boot | | ASUS WinRE boot loops | Faulty driver injected into WinRE | Use Command Prompt → DISM /Image:C:\ /Cleanup-Image /RevertPendingActions | 7. Advanced: Customizing ASUS WinRE For IT/professional deployments, you can inject ASUS drivers into WinRE boot.wim:

Run reagentc /info in admin Command Prompt. Expected output: