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The Update That Made USB Keyboards and Mice Useless in Recovery Mode
After installing a recent Windows 11 update, my USB keyboard and mouse stop working entirely when trying to access recovery mode or advanced startup options. This issue prevents me from using ess...
The issue you're experiencing is a known bug caused by the Windows security update KB5066835, released on October 14, 2025. This update unintentionally broke USB device support specifically within the Windows Recovery Environment (WinRE) and Advanced Startup Options. Your USB keyboard and mouse work fine in normal Windows because the full drivers are loaded, but WinRE lacks those drivers after this update.