Traditional Culture Encyclopedia - Traditional festivals - Why can't win8.1 boot the system when booting?

Why can't win8.1 boot the system when booting?

1. Secure Boot:

Microsoft explains, "SecureBoot, prevents unauthorized boot loaders (OS Loader) from booting in the BIOS, and UEFI allows only certified boot loaders to boot, which malware can no longer use to attack users. to improve the security of PCs running Windows 8.1 and Windows RT 8.1.

2, Launch CSM:

CSM full name Compatibility Support Module that is, Compatibility Support Module, is a special module of UEFI, for UEFI does not support the system to provide compatibility support.

The CSM is a special module for UEFI that provides compatibility support for systems that do not support UEFI. When the operating system boots in legacy mode, it does not boot properly.