Fix Valorant Error VAN9003 - Enable TPM 2.0 and Secure Boot
The VAN9003 error means Valorant's Vanguard anti-cheat cannot verify that your PC is running in a secure environment. Your system is likely set to Legacy BIOS mode or has the required security features disabled, preventing the game from launching.
Why this happens
Riot Games requires Secure Boot and TPM 2.0 to be active for Vanguard to load. If your PC is using Legacy boot mode or these security features are toggled off in your firmware, the game will refuse to start.
Verify your status
Before heading into the BIOS, check your current configuration. Press Windows Key + R, type msinfo32, and check 'BIOS Mode' and 'Secure Boot State'. Then, run tpm.msc to confirm your TPM status.
Steps
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01Restart your PC and repeatedly tap your BIOS entry key during startup, which is typically Delete, F2, F10, F11, or F12 depending on your motherboard manufacturer.
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02Navigate to the Boot settings and set the 'Boot Mode' to 'UEFI', making sure to disable 'CSM' or 'Legacy' modes if they are active.
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03Locate the 'Secure Boot' setting in the Security or Boot tab and set it to 'Enabled'. If this option is grayed out, ensure your UEFI mode changes were saved and reboot back into the BIOS.
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04Find your TPM settings, which may be labeled as 'AMD fTPM' or 'Intel PTT', and ensure they are set to 'Enabled'.
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05Press your 'Save and Exit' key (usually F10) to confirm your changes and restart your computer to apply the new firmware configuration.
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06Launch Valorant once you reach the desktop; it should now pass the Vanguard security check and proceed to the main menu.
Still not working?
If you enabled these settings but still see the error, check your motherboard manufacturer's website for a BIOS update, as older versions may have faulty TPM implementations. If your motherboard lacks a physical TPM header and does not support fTPM or PTT, your hardware may not meet the minimum requirements for Windows 11 and Valorant's current security standards.
Frequently asked questions
Will changing BIOS settings cause me to lose my data?
No, toggling Secure Boot and TPM settings in your BIOS does not affect your personal files or Windows installation.
Is it safe to have Secure Boot and TPM enabled?
Yes, these are standard security features designed to protect your PC from low-level bootkit malware and are required for the official Windows 11 specification.
Why does the BIOS entry key not work for me?
If your PC boots too fast to catch the key, you can go to Settings > Update & Security > Recovery > Advanced Startup > Restart now, then navigate to Troubleshoot > Advanced options > UEFI Firmware Settings.
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