Secure Boot – PC Activation Notice

Since this involves BIOS settings, proceed with caution—incorrect changes may prevent your computer from booting.

Steps may vary slightly depending on your motherboard brand. If you’re unsure, it’s strongly recommended to consult a professional technician.

1. Enabling TPM 2.0

Press Win + R on your keyboard, type tpm.msc, and press Enter.

If the window shows “The TPM is ready for use”, no further action is needed.

General Enabling Steps

• Enter BIOS/UEFI

Reboot your PC and press the designated key during startup (e.g. Del, F2, F10—varies by motherboard) to access the BIOS/UEFI interface.

• Locate the TPM Option

Within the BIOS menus (look under “Security,” “Advanced,” or “Trusted Computing”), find the TPM-related setting (such as “Security Device,” “Intel PTT,” or “AMD fTPM”).

• Enable TPM

Change the setting to “Enabled” or “On.” On some boards, you may need to select “Firmware TPM” or “PPT” mode.

• Save and Exit

Press F10 to save your changes and exit. Your system will reboot automatically.

Brand & Platform Variations

• MSI Motherboards

Intel: Advanced > Security > Trusted Computing > TPM Device Selection → PPT

AMD: Settings > Security > Trusted Computing > AMD TPM Switch → AMD CPU TPM

• ASUS Motherboards

Intel: Advanced > PCH-FW Configuration > TPM Device Selection → PPT

AMD: Advanced > AMD fTPM Configuration → Enabled

• Lenovo ThinkPad

Security > Security Chip → Enable

2. Convert Disk from MBR to GPT

a. Check Partition Style

Press Win + X and select Disk Management.

Right-click the system disk (usually the one containing C:), choose Properties, go to the Volumes tab, and check if it shows Master Boot Record (MBR).

b. Run Command Prompt as Administrator

Press Win + R, type cmd, then press Ctrl + Shift + Enter to launch an elevated Command Prompt.

Enter the following and press Enter:

mbr2gpt /validate /disk:1 /allowFullOS

Note: Replace disk:1 with the disk number shown for your C: volume in Disk Management. (For example, if C: is on Disk 0, use /disk:0.)

c. Switch to UEFI Boot Mode

Reboot into your BIOS/UEFI settings and change the boot mode to UEFI (disable Compatibility Support Module/CSM).

d. Save and Reboot

Save your changes and exit BIOS/UEFI. Your system will now boot in UEFI mode from the newly converted GPT disk.

3. Enable Secure Boot

Check if UEFI Mode is Enabled:

a. Press Win + R, type tpm.msc, and press Enter.

b. If Secure Boot State is listed as Off, follow the steps below.

How to Enable Secure Boot:

a. Press the Windows key, search for “Change advanced startup options”, and open it.

b .Under Advanced startup, click Restart now.

c. After rebooting, go to Troubleshoot → Advanced options → UEFI Firmware Settings.

d. Once in BIOS, navigate to the Boot menu (or similar, depending on your motherboard).

Adjust the following settings to enable UEFI mode (names may vary by manufacturer):

• Boot Mode / Boot List Option → UEFI
• Launch CSM / Compatibility Support Module → Disabled
• Secure Boot → Enabled

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