Window’s Secure Boot certificates are expiring in June — here’s what you need to do

The Secure Boot certificates powering one of Windows' most critical security features expire in June 2026 — and not every PC ...
PCMag

Still on Windows 10? Do This Now to Protect Your PC

Support for Windows 10 has ended, putting your system at risk. You don't have to upgrade—here's how to stay protected.
Forbes

Microsoft Secure Boot Update Starts In April—2011 Certificates Expire Soon

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. All change for Windows. Updated on Apr. 18 with another Windows update starting this month.
Ars Technica

Unplugged system drive, PC won't boot, plugged it back in, won't boot.

Its probably just the boot order. Go into the BIOS and make sure its trying to boot from the correct hard drive first. If you aren't sure what drive you are supposed to boot from, just switch whatever ...