HP, Dell, ASUS, Lenovo, MSI and Acer have published Secure Boot certificate guides. Here's what each PC manufacturer says you ...

Use the following fixes if you have accidentally turned off your PC during a BIOS update: Clear CMOS Wait for the Automatic BIOS Recovery process Try to recover BIOS using a USB Flash the BIOS Contact ...

Use these fixes if your Windows PC is stuck in a boot loop after a BIOS update. Before proceeding, disconnect all peripherals and check if your PC boots into Windows. Press and hold the power button ...

Certificate Expiration: The KEK CA 2011 certificate expired on June 24, 2026, stopping unpatched systems from receiving new Secure Boot revocations. Trust Chain Preservation: The update replaces 2011 ...

PCWorld reports that Windows 11 PCs may restart multiple times after recent updates due to Secure Boot certificate refreshes being rolled out by Microsoft. These multiple reboots are normal behavior ...

HP, Dell, ASUS, Lenovo, MSI, Acer, Samsung, LG, and Surface have published Secure Boot guidance as Microsoft's 2011 ...