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BleepingComputer
Windows KB5121767 OOB update fixes shutdowns on some Dell PCs
Microsoft has released emergency updates to fix an issue causing shutdowns on select Dell PCs following the July 2026 Windows 11 updates. The issue arose from a conflict between recent driver updates and the USB-C Connection Manager. KB5121767 resolves performance degradation and unexpected shutdowns on impacted systems. Users are prompted to install this update and restart their devices previously affected by the bug.
Act nowConfidence: HighImmediate horizon
Published 20 Jul 2026, 10:50 UTC2 min read
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Summary
TL;DR
- Emergency updates released to address shutdown issues on Dell PCs
- Conflict with Intel Innovation Platform Framework driver identified as root cause
- Windows update KB5121767 now available for affected Dell systems
- Yellow exclamation mark indicates driver issues in Device Manager
- Automatic deployment for managed devices using Windows Autopatch
Interesting facts
- The conflict was reported during testing by Dell.
- The shutdown issue is linked to a specific Windows update's changes.
Coverage gaps