This usually indicates a problem in the Unified Extensible Firmware Interface (UEFI). The UEFI is installed on all the new computers which intends to speed up the boot process. But the most important function of it is to provide a secure boot. For this purpose the UEFI performs a signature test. If the PC fails to pass this test the operating system will simply not load and display the error,
''Windows boot manager has been blocked by the current security policy''
Even after pressing Ok, the PC is going to restart and display the error again. By this way the UEFI can identify authorized operating systems. However there are numerous publicized solutions that you can try to overcome this error.
In this article, we will see the solutions for Fix Windows boot manager has been blocked by the current security policy. This can be tried for all the popular computer models.
Let's get started,
1. Reset BIOS
Basic Input Output System (BIOS) is the software which controls the computer's startup process. It essentially exists in every motherboard. Overtime a corrupted BIOS may be the reason behind this error. The BIOS can be corrupted due to many reasons. It can be either because of a bad update or due to a malware attack. Any boot error that occurs in your computer can be fixed by resetting the BIOS.
To reset BIOS,
1. Turn on the PC2. Press F2 key immediately
3. Press F9 key to reset BIOS
4. Press F10 key to save and exit
2. Disable Secure Boot
Secure boot is a feature present in UEFI and the traditional BIOS. It protects the PC boot process by blocking any malicious programs from loading. Malwares especially the rootkits has the capability to replace the boot loader. Therefore, this could load your operating system with no any possible signs. Secure boot takes preventive measures from not loading them. However this feature is enabled by default which has proven to solve this error by disabling them.
To disable Secure boot,
1. Turn on the PC2. Press F2 key immeduately
3. Navigate to the security/boot tab
4. Disable Secure boot
5. Press F10 key to save and exit
what if you dont have the password for going into bios, and once you exit the enter password screen it puts you straight into boot manager😀, please help
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