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[LG PC] Windows Secure Boot Certificate Update & Troubleshooting

As the Secure Boot certificate is set to expire in June 2026, Microsoft is distributing a new certificate. On most LG PCs, the Secure Boot certificate update completes automatically via Windows Update, so no further action is required. However, if your PC fails to boot or displays the BitLocker screen after the update, please change [Secure Boot] to….

[LG PC] Windows Secure Boot Certificate Update & Troubleshooting Guide LG USA help image
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TroubleshootingMonitors

What to Check First

  1. Reset the BIOS to Default Settings 1. Turn on the PC and immediately press [F2] repeatedly. (For a desktop PC, press [Delete].).
  2. 2. Once you’re in BIOS setup, press [F9] to select [Load Setup Defaults]. Then, press [F10] to save the changes and restart.
  3. ※ If the BitLocker recovery screen still appears after restarting, sign in to your Microsoft account to find your BitLocker recovery key.
  4. Find Your BitLocker Recovery Key via Microsoft Account. 1. Use a smartphone or another PC to access the Microsoft BitLocker Recovery key page.
  5. 2. Sign in with your Microsoft account (email address).
  6. 3. Select a verification method to verify your identity, click [Send Code].
  7. ※ Options: Email, Text message, or Voice Message.
  8. 4. Check the 7-digit Microsoft account [Security code] sent to the email address you entered. Enter the code, then click [Verify].
  9. 5. Find the 48-digit recovery key that matches your [Device Name] and [Key ID], then use it to unlock BitLocker.
  10. Windows 10: On the Taskbar, select [Start] → [Settings] → [Update & Security] → [Device encryption] → [Turn off].

Why This Can Happen

Symptoms can have more than one cause, and the correct steps depend on the exact model, installation and operating conditions. Use the checks above to narrow the issue before service.

Safety and Model-Specific Guidance

Stop troubleshooting if you notice burning, electrical damage, unsafe heat, gas odor, refrigerant concerns, or water near electrical components. Follow the official LG USA instructions for your exact model.

Frequently Asked Questions

What should I check first for [LG PC] Windows Secure Boot Certificate Update & Troubleshooting Guide?

Reset the BIOS to Default Settings 1. Turn on the PC and immediately press [F2] repeatedly. (For a desktop PC, press [Delete].).

When should I stop troubleshooting and contact LG?

Stop if the product shows signs of electrical damage, burning, leaking near electrical components, or if the recommended checks do not resolve the issue. Use LG USA support for model-specific service guidance.

Does this guidance apply to every LG model?

Not always. Controls, error codes and service steps can differ by model. Confirm the exact model number and follow the linked LG USA article for model-specific instructions.

Related LG Products

These model pages are linked because the stored category or exact model matches this Help Library topic.

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Read the Official LG Guide