This method will boot from USB directly and will not enter UEFI. How to Make Surface Boot from USBĪfter completing those preparations, now you can start booting Surface from USB. Therefore, having a wired mouse and keyboard is very necessary. If you do a clean Windows installation or load Linux OS on your Surface, it's possible that your Surface won’t support touch or pen input. Quick Fix: Secure Boot Violation Invalid Signature Detected 4. As for how to do that, I will show you in the following contents (in Way 3). If your bootable USB drive is using Linux OS, you should disable the Secure Boot in UEFI. ![]() Microsoft can require most motherboard manufacturers to build in Windows public keys, but Linux does not have this ability.Īs a result, Linux cannot boot up when Secure Boot is enabled. However, Microsoft uses this feature to inhibit the expansion of other operating systems (Linux OS). The motherboard will refuse to load it, so there is no way to infect the boot section of the PC. Then, any operating system or hardware driver that wants to be loaded on this motherboard must pass the authentication of these public keys.Īpparently, those malwares are unable to pass the certification. When the motherboard leaves the factory, some reliable public keys can be built in. The purpose of Secure Boot is to prevent malware intrusion. Part of the reason is the Secure Boot function of UEFI. Starting from Windows 8, Microsoft jointly with major motherboard manufacturers in the industry began to vigorously promote UEFI.
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