Microsoft has officially confirmed that faulty third-party drivers have been silently draining laptop batteries and degrading system performance in Windows 11 for years.

PCWorld reports that Microsoft addressed the long-standing issue at the Windows Hardware Engineering Conference (WinHEC) 2026, announcing a comprehensive overhaul of how it evaluates third-party software drivers. The acknowledgment comes after years of user complaints about unexpected battery depletion and performance problems that have plagued Windows 11 in particular.

According to the company’s presentation at the conference, the root cause of these issues stems from how…

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