HPのBIOS更新でWindows 11が起動不能に

HPが2026年4月に配布したBIOSアップデートにより、一部のWindows ...
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Microsoft reveals what happens to Windows 11 PCs if you ignore the Secure Boot deadline in ...

Microsoft warns Windows 11 PCs without the new Secure Boot certificates may lose future protections, boot security updates, ...

FAQ: What you need to know about expiring Windows Secure Boot certificates

A major change is coming to Windows that neither individual users nor IT admins can ignore. Here’s how to prepare.

Your PC’s trust in Windows has an expiration date

PCWorld reports that Windows 11 PCs face a critical security deadline when Secure Boot certificates expire in June 2026, ...
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Your Windows laptop is probably wasting performance on startup — here's where to look

These startup settings are quietly draining your laptop ...