Microsoft’s CA-2023 Secure Boot update broke PCs. Learn why UEFI firmware failed, how vendors reacted, and how to fix your boot issues.

The boot issue, which Microsoft previously investigated and linked to failed December 2025 updates, affected a limited number of commercial Windows 11 devices running versions 25H2 and 24H2.

It's easy to start panicking when your laptop suddenly refuses to boot and shows nothing but a cold, unresponsive black screen. Your mind probably flashes to what you ...

When Windows won’t boot up, it can be a disturbing experience. But that moment passes quickly, and you must decide how to get past this (hopefully) temporary hiccup. Fortunately, there are plenty of ...

Microsoft says it has resolved a Windows 11 bug that caused some commercial systems to fail to boot with an "UNMOUNTABLE_BOOT_VOLUME" error after installing recent ...

When your Windows 11 system gets stuck on the Gigabyte logo during boot, it typically indicates a failure in the boot process before the operating system can fully load. This can result from hardware ...

In this post, we will show you how to disable Secure Boot in Hyper-V and what to do if Hyper-V is not booting when Secure Boot is enabled. If you’re running a Generation 2 virtual machine in Hyper-V ...