Driver Power State Failure error is also known as error 0x0000009F in Windows 10. The problem is most probably caused by any driver fault. You may encounter the error when you upgrade the system to Windows 10 or when you use Windows 10. It can occur in any version of windows.

Following are two methods that can help you fix the Driver Power State Failure error in Windows 10. Let’s check out now!

Method 1: Uninstall the problematic drivers in Safe Mode

To uninstall the problematic drivers in Safe Mode, you follow the steps below:
Step 1: Click Advanced options when the Startup Repair window appears. The system will then direct the display to Windows RE (Recovery environment).

Step 2: In Windows RE, click Troubleshoot and then Advanced options

Step 3: Click Startup Settings and then press Restart button

Step 4: Press 4 number key to enter Safe Mode

When you encounter the Driver Power State Failure error, you can reboot your Windows 10 PC and uninstall the problematic drivers in Safe Mode. 

You will follow the steps above if you can’t start Windows successfully. If you can boot the system successfully, you follow the steps below:

Step 1: Press Win+R. When a Run dialog appears, you type msconfig and click OK button
Step 2: Click Boot tab, check Safe boot and click OK button
Step 3: Click Restart and then you will enter Safe Mode

Now, you can fix Driver Power State Failure error in Windows 10 by uninstalling the problematic drivers. To do this, you follow the steps below:

Step 1: Press Win+R, type devmgmt.msc in the run box and click OK

Step 2: Find the devices with yellow sign and right click on the problem device
Step 3: Click Uninstall

Method 2: Updating Windows & Drivers

Step 1: Go to Control Panel, select System and Security and choose Windows Update
Step 2: Click on Check for updates
Step 3: Install all available updates including optional updates
Step 4: Restart your Windows 10 PC
Step 5: Open Device Manager and find if there is any hardware name with yellow sign
Step 6: Update that driver software manually