Fix Valorant Master Boot Record Detected Error | UEFI Secure Boot & HVCI Fix
Are you getting the Valorant “Account Does Not Meet Requirements” error while launching the game?
This issue usually appears when UEFI Secure Boot, HVCI (Memory Integrity) is disabled, or your system disk is still using MBR instead of GPT.
In this video, I show you step-by-step how to fix the Valorant Master Boot Record Detected error safely.
What this video covers:
Check if your disk is MBR or GPT
Convert MBR to GPT (with and without data loss)
Enable UEFI Boot Mode correctly
Enable Secure Boot in BIOS
Disable CSM / Legacy Mode
Enable HVCI (Memory Integrity) in Windows Security
Fix Valorant Secure Boot launch error permanently
⚠️ Important: Always backup your data before converting disk partitions.
This fix works on Windows 10 and Windows 11 and resolves Valorant launch errors related to Vanguard, Secure Boot, and HVCI requirements.
If this video helped you, don’t forget to like, subscribe, and share it with others facing the same issue.
🧰 Tools & Official Links Used
🔗 Microsoft Disk Conversion Tool
https://learn.microsoft.com/windows/d...
🔗 Windows Security (Built-in)
https://support.microsoft.com/windows...
🔗 Riot Games / Valorant Support
https://support-valorant.riotgames.com
💻 CMD Commands Used (Copy & Paste)
🔹 Check & Convert Disk (Data Loss Method)
diskpart
list disk
select disk 0
clean
convert gpt
⚠️ This method erases all data on the selected disk.
🔹 Convert MBR to GPT (NO Data Loss – Recommended)
mbr2gpt /validate /allowFullOS
mbr2gpt /convert /allowFullOS
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Disclaimer: This video is for informational purposes only. It is not intended to promote, endorse, or facilitate any illegal activities. All content is for educational purposes and complies with all YouTube Community Guidelines.