The computer comes with four hidden disk partitions: EFI, WinRE, WinPE, and Onekey. This is normal and does not indicate any issue with your device.

The EFI and WinRE partitions are built-in partitions of the Microsoft system. The Onekey partition is unique to HUAWEI devices, and is used to store the one-key restoration image file. The one-key restoration is performed in WinPE, which thus requires the WinPE partition.

Notes:

1. The MateBook (HZ) does not support the F10 one-key restoration feature. Therefore, it does not have a hidden Onekey partition.

2. This FAQ does not apply to computers running the Linux operating system.

3. Before using one-key restoration, back up your data in C drive. Once the factory settings are restored, reinstall software, log in to the Microsoft account on which Microsoft Office has been activated, and reconfigure the system.