Yellow Triangle Warning on Drive C: In Windows 10/11 (Solved).

Command Used: manage-bde C: -off

If you face a "Yellow Triangle Warning on C: drive" in Windows 10, then continue reading below to fix the issue. The "Yellow triangle with an exclamation mark on Drive C:" (or other drives), comes from BitLocker, because the BitLocker Encryption on the drive is not activated yet and shows "Waiting for activation".

The BitLocker warning, can appear after installing a Windows 10 or Windows 11 update, or after completing the Out Of Box Experience (OOBE) on a new purchased laptop or desktop that support BitLocker.

This tutorial will apply for computers, laptops, desktops, and tablets running the Windows 10 and Windows 11 operating system (Home, Professional, Enterprise, Education) from all supported hardware manufactures, like Dell, HP, Acer, Asus, Toshiba, Lenovo, and Samsung.

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