0x0000009F_
Driver Power State Failure
When Windows 10/11 throws 0x0000009F, the system diagnostics have flagged a condition known as "Driver Power State Failure". Most fixes for this error are straightforward and don't require wiping your drive.
What Actually Happened
Windows kernel halted due to: a driver failed to complete a requested power state transition in time.
Symptoms
Blue screen appears with stop code DRIVER_POWER_STATE_FAILURE
Common Causes
- Kernel condition: a driver failed to complete a requested power state transition in time
- Outdated or conflicting third-party driver
- Overheating or failing hardware (RAM/SSD)
How to Fix It
-
01
Boot into Safe Mode and roll back recently installed drivers
-
02
Run memory diagnostic:
mdsched.exe -
03
Run system scan:
sfc /scannow && DISM /Online /Cleanup-Image /RestoreHealth
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Root Cause Breakdown
Stop code DRIVER_POWER_STATE_FAILURE (0x0000009F) triggered a bugcheck to protect memory integrity.
Should You Worry?
Urgent. Save work frequently to avoid data loss.
Power-User Tip
Check minidump logs in C:\Windows\Minidump to identify the failing .sys file.
Software fix: $0; Hardware replacement: $50�$250