Windows 11 Bug Fixed: How to Restore Your Mouse and Keyboard Instantly

Microsoft Fixes Windows 11 Bug Blocking Mouse, Keyboard in Recovery

Microsoft has swiftly addressed a disruptive Windows 11 bug that disabled USB mouse and keyboard inputs in the Windows Recovery Environment (WinRE) after the KB5066835 security update rolled out on October 14, 2025. The issue left users unable to navigate recovery options, causing frustration across forums like Reddit. In response, Microsoft released an out-of-band (OOB) update, KB5070773, with builds 26200.6901 and 26100.6901, restoring USB functionality and enhancing AI-driven features for a smoother user experience.

The bug affected Windows 11 versions 24H2, 25H2, and Windows Server 2025, impacting critical recovery processes. Microsoft’s quick fix demonstrates its commitment to user reliability, while the update also introduces improvements to AI components like Image Search and Semantic Analysis. For users still facing issues, Microsoft has provided practical workarounds to ensure seamless recovery access.

What Caused the Windows 11 WinRE Bug?

The KB5066835 security update, released on October 14, 2025, inadvertently disrupted USB device functionality in WinRE, a critical tool for troubleshooting and repairing Windows 11 systems. Users reported that their USB-connected mice and keyboards stopped working within the recovery environment, making it impossible to select options like system restore or safe mode. “This issue prevents navigation of any recovery options within WinRE, though USB devices function normally in the Windows operating system,” Microsoft stated.

The bug sparked widespread complaints on platforms like Reddit and Microsoft’s support forums, with users highlighting the inconvenience of being locked out of recovery tools. The issue was particularly problematic for those with PCs that failed to boot, as WinRE is often the first step in diagnosing and resolving such problems. Microsoft acknowledged the issue within days and prioritized a solution to restore WinRE functionality.

Microsoft’s Solution: KB5070773 Update

To address the WinRE USB bug, Microsoft released the KB5070773 out-of-band update, available as builds 26200.6901 and 26100.6901. This cumulative update not only fixes the USB input issue but also incorporates security enhancements and improvements from the original KB5066835 update. By restoring mouse and keyboard functionality, the update ensures users can navigate WinRE effectively to troubleshoot system issues.

The KB5070773 update also enhances several AI-driven components, including Image Search, Content Extraction, Semantic Analysis, and Settings Model. These upgrades improve Windows 11’s ability to process and analyze data, offering users a more intuitive and efficient experience. Microsoft’s proactive approach demonstrates its commitment to addressing user feedback and maintaining system reliability.

Workarounds for Affected Users

For users whose PCs cannot boot into Windows due to the WinRE USB issue, Microsoft has provided several workarounds to regain access to recovery options:

• Touchscreen Navigation: Users with touchscreen-enabled PCs can use the on-screen keyboard to interact with WinRE, bypassing the need for USB inputs.
• PS/2 Devices: If your PC supports PS/2 connections, connecting a PS/2 keyboard or mouse can restore navigation capabilities in WinRE.
• USB Recovery Drive: Users who previously created a USB recovery drive can use it to access WinRE and restore USB functionality.

These workarounds provide temporary relief for affected users, allowing them to troubleshoot their systems until the KB5070773 update is applied. Microsoft recommends installing the update as soon as possible to fully resolve the Windows 11 bug.

Other Issues in the October Update

The WinRE USB bug was not the only issue introduced by the October 2025 Windows 11 update. Microsoft has also acknowledged problems with Smartcard authentication, which affected secure logins for some users. Additionally, playback issues with protected content in certain DVD and Blu-ray applications were reported, disrupting media experiences for affected users.

These issues highlight the challenges of rolling out large-scale updates to a complex operating system like Windows 11. While Microsoft’s updates aim to enhance security and functionality, occasional bugs can disrupt user workflows. The company’s rapid response with the KB5070773 update demonstrates its commitment to addressing these challenges promptly and effectively.

Why WinRE Matters for Windows Users

The Windows Recovery Environment (WinRE) is a critical component of Windows 11, providing a suite of tools for diagnosing and repairing system issues. Accessible during startup, WinRE allows users to perform tasks like system restores, startup repairs, and safe mode booting. When USB devices fail to function in WinRE, users lose access to these essential tools, potentially leaving them unable to resolve critical system failures.

The WinRE bug was particularly disruptive because it affected versions 24H2, 25H2, and Windows Server 2025, which are widely used across personal and enterprise environments. By prioritizing a fix, Microsoft ensured that users could regain access to these vital recovery tools, minimizing downtime and frustration.

The Role of AI in Windows 11 Updates

The KB5070773 update not only fixed the WinRE USB issue but also introduced enhancements to several AI components in Windows 11. Features like Image Search, Content Extraction, Semantic Analysis, and Settings Model leverage AI to improve user interactions with the operating system. These tools enable more intuitive search capabilities, better content organization, and smarter system settings, enhancing the overall Windows experience.

Microsoft’s integration of AI into Windows 11 reflects a broader trend in the tech industry, where artificial intelligence is increasingly used to streamline workflows and enhance functionality. By incorporating these advancements into a bug-fix update, Microsoft demonstrates its ability to balance innovation with system stability, ensuring users benefit from both cutting-edge features and reliable performance.

How to Apply the KB5070773 Update

To resolve the WinRE USB bug, Microsoft recommends installing the KB5070773 update immediately. The update is available through Windows Update and can be accessed by following these steps:

• Go to Settings > Windows Update.
• Check for updates and download KB5070773.
• Restart your PC to apply the update.

For users unable to boot into Windows, Microsoft suggests using a USB recovery drive or alternative input methods (like PS/2 devices or touchscreen navigation) to access WinRE and apply the update. Ensuring your system is up to date is crucial for maintaining both security and functionality.

Microsoft’s Commitment to User Feedback

The rapid release of the KB5070773 update highlights Microsoft’s responsiveness to user feedback. By addressing the WinRE USB bug within a week of its discovery, the company demonstrates its dedication to maintaining a reliable and user-friendly operating system. This approach is particularly important as Windows 11 continues to evolve with new features and AI-driven enhancements.

Microsoft’s proactive stance also extends to other reported issues in the October update, such as Smartcard authentication and media playback problems. By acknowledging and addressing these challenges, the company builds trust with its user base, ensuring that Windows 11 remains a dependable platform for both personal and professional use.

The Bigger Picture: Windows 11 Stability

The WinRE USB bug is a reminder of the complexities involved in maintaining a modern operating system like Windows 11. As Microsoft introduces new features and AI capabilities, ensuring system stability remains a top priority. The KB5070773 update not only resolves a critical issue but also enhances the operating system’s functionality, paving the way for a more seamless user experience.

As Windows 11 continues to evolve, users can expect Microsoft to maintain its commitment to addressing bugs and improving performance. By combining rapid fixes with innovative updates, the company ensures that Windows 11 remains a leading operating system in a competitive tech landscape.