DRIVER_POWER_STATE_FAILURE (Stop 0x0000009F)
A device driver was unable to transition between active and power-saving states (sleep, hibernation, or resume) within the kernel timeout window.
Internal desktop parts run on harmless 12V DC voltage and cannot shock you. Simply unplug the wall power cable first, then touch the unpainted metal case frame to ground static electricity.
Common Symptoms & Tells
- Stop code 0x0000009F appears when waking PC from sleep or closing laptop lid
- PC hangs indefinitely on 'Shutting down' or 'Restarting' screen
- Laptop battery drains rapidly while asleep
Interactive Fix Checklist
0 of 4 steps completedDisable Fast Startup in Windows
Go to Control Panel → Power Options → Choose what the power buttons do → click 'Change settings that are currently unavailable' → uncheck 'Turn on fast startup'.
Update Intel Management Engine (ME) or AMD Chipset drivers
Power-state transition commands depend on chipset firmware. Install the latest official chipset drivers for your motherboard.
Set PCIe Link State Power Management to Off
In Control Panel → Power Options → Edit Plan Settings → Change advanced power settings → expand 'PCI Express' → Link State Power Management → set to 'Off'.
Update GPU and USB controller drivers
Ensure third-party USB hubs or external docks have up-to-date firmware that supports ACPI D3 sleep states.
Still having trouble with your PC?
Describe what is happening to your AI Technician. We will tailor the fix to your exact hardware setup.