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How To Fix DRIVER_POWER_STATE_FAILURE (0x0000009F)

DRIVER_POWER_STATE_FAILURE (0X0000009F), is usually related to drivers problems.

Drivers are instructions given by the device to inform their computer how to interact with them – the keyboard controller is who records the keys that you tap as letters that appear on the screen.

The drivers are for peripherals and almost all parts of the computer.

So if you regularly have this annoying error on your computer, let’s see how you can fix it.

Table of Contents

Method #1: Repair Registry Entries

It is not recommended to manually edit the registry to delete invalid DRIVER_POWER_STATE_FAILURE entries unless you are an advanced user. An improper registry editing can cause your PC to stop working and irreversible damage to the system.

The safest way to repair registry editor is with cleaning software, one that works great is Ccleaner. So download it and run a registry errors scan to fix that error.

Method #2: Perform a Full Malware scan on your PC

The DRIVER_POWER_STATE_FAILURE error could be related to a malware infection on your PC.

These malicious intruders can damage, corrupt, or even delete INF-related files.

Tip: If you haven’t yet installed a malware protection program, we highly recommend using Malwarebytes (download here).

Method  #3: Delete Unwanted Files with Disk Cleanup

Over time, your computer accumulates unwanted files.

If these unwanted files aren’t cleaned up frequently, you can cause Windows Operating System to respond slowly or cause a DRIVER_POWER_STATE_FAILURE error, possibly because of file conflicts or hard drive overload.

Removing these temporary files with the Disk Cleanup can fix the error and also make your PC perform better.

  1. Search the word Command Prompt in Windows 10 Search box.
  2. Right-click on the Command Prompt option and run as administrator.
    command prompt administrator
  3. Now, type cleanmgr and press ENTER.
  4. Disk Cleanup will start to calculate the disk space that can be recovered.
  5. Disk Cleanup dialog box will appear with a series of check boxes that you can select. In most cases, the category Temporary Files will occupy most of the disk space.
  6. Check the boxes of the categories you want to clean and click OK.

Wait for the Disk Cleanup to end the cleaning process and restart your computer.

Method #4: Update Device Drivers of your PC

DRIVER_POWER_STATE_FAILURE errors can be related to damaged or outdated device drivers.

The drivers can work one day, and suddenly stop working the next day for various reasons. The good news is that you can update the device driver to fix the problem

Whether due to the time or complexity involved in driver updates, we highly recommend using a driver updater software that can quickly update your drivers.

One of the best is this kind of job, is Driver Booster, which you can download here.

Just install the free software and run a scan to see and update your old drivers.

Method #5: Reset Windows To Undo Any Recent Changes

Windows Reset allows you to “go back in time” with your PC to help you troubleshoot errors.

Windows Reset can restore all the files and programs of the PC system in time to its correct functioning. This can potentially help avoid hours of trying to troubleshoot problems associated with DRIVER_POWER_STATE_FAILURE errors.

  1. Click on the Start button.
  2. In the search box, type Reset.
  3. In the results, click on Reset this PC.
  4. Enter administrator passwords (if requested).
  5. Follow the steps in the Wizard; I recommend to choose the option Keep my files.

Method #6: Run Windows System File Checker

Windows System File Checker is a useful tool that allows you to analyze and restore damage system files.

To run the System File Checker, follow this steps:

  1. Search the word Command in the Start Menu.
  2. Right-click on it and run as administrator.
    command prompt administrator
  3. Now, type sfc /scannow and press ENTER.
  4. System File Checker will start scanning errors in the system files

Method #7: Install Windows Updates

Microsoft is continually updating and improving Windows. Sometimes fixing errors can be as simple as updating Windows.

To check for updates in Windows 10, follow this steps:

  1. Open Windows Settings by press Winkey + I
  2. Click on Update & Recovery.
  3. Select the Windows Update section on the left.
  4. Finally, click on Check for updates to install the latest updates.
  5. Reboot your system if it’s requested.

Method #8: Check Hard Disk Damages

Over time, your PC may develop hard drive errors.

Improper shutdown, incomplete or damaged software installation, Microsoft Corporation hardware failures, and power loss can damage the system file and hard drive.

Microsoft has a convenient tool called chkdsk (Check Disk) to analyze and repair the damage to the hard drive.

If the previous troubleshooting steps didn’t fix your problem, follow these steps to analyze your hard drive.

  1. Open the Command Prompt as administrator.
  2. Now, type chkdsk /f and press ENTER.
    chkdsk
  3. chkdsk will start scanning the hard drive to find damages and errors.
  4. Reboot your system.

Method #10: Check your Memory (RAM)

If you have recently added a new memory to your computer, we recommend that you temporarily remove it to ensure that it’s not the cause of the DRIVER_POWER_STATE_FAILURE error.

If you haven’t added a new memory, the next step is to perform a diagnostic test.

Although the latest versions of Windows include the Windows Memory Diagnostic Tool, you can use Memtest86 instead.

Memtest86 is a BIOS-based memory test software.

Follow these steps run Memtest86 to analyze your Memory Ram:

  1. Connect and USB Flash Drive to your PC.
  2. Download Windows MemTest86 USB image.
  3. Rightclick on the image file and select the option Extract Here.
  4. Open imageUSB.exe
  5. Choose your USB drive, browse the memtest86-usb.img and finally click on Write to UFD.
  6. Restart your PC with the USB Drive connected.
  7. Press F8, F9, F12 according to your Bios to enter the boot device selector.
  8. Select your USB and press Enter
  9. Memtest86 will start the analysis of your Memory.

If Memtest86 finds any errors in your memory, this can be the cause of the DRIVER_POWER_STATE_FAILURE. So, you will need to repair your memory or replace it.

For more information, Corsair has an interesting step-by-step video about how to run Memtest86 appropriately here.

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