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Published on 02.03.10 by Brent Trahan

Troubleshooting a Stop 0x9F or DRIVER_POWER_STATE_FAILURE

Learn how to troubleshoot the Stop 0x9F or DRIVER_POWER_STATE_FAILURE Stop Error (BSOD) in Windows 7.

What caused the error?

The Stop 0x9F message indicates that a driver is in an inconsistent or invalid power state.

How do I fix it?

  • If you recently installed an application or system service, try uninstalling it or find an updated version that’s compatible with Windows 7.
  • If you recently installed or upgraded a driver, try rolling the driver back or uninstall it.

Still need help? Ask your computer question now.

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