• Windows 11 build 27909 resolves a problem with the battery percentage indicator in “Power & battery,” crashes for pcasvc.dll, and graphical bugs on ARM-based devices.
  • This build also addresses issues with Remote Credential Guard, Media Player casting, and Xbox app errors related to Administrator Protection.
  • You won’t find any new features in this release for the Canary Channel.

Microsoft is now in the process of rolling out the Windows 11 build 27909 in the Canary Channel of the Windows Insider Program. This is a small update that fixes a problem with the battery percentage indicator as well as other problems with the operating system.

According to the official changes , build 27909 errors 0xC0000142 or 0xC0000045 when using Administrator Protection with the Xbox app.

The company also notes that the battery percentage option should now appear in the “Power & battery” settings page, as this wasn’t the case in the preview builds.

If you have a Copilot+ PC or another ARM-based computer, this update fixes graphical distortion and rendering issues when using remote desktop .

Furthermore, this preview resolves crashes with pcasvc.dll , which is a system file that provides the core functionality for the Program Compatibility Assistant service.

Additionally, you will find a fix for the disconnect issue with the Media Player cast feature and the failure of the Remote Credential Guard feature.

As part of the known issues for Windows 11 build 27909, the company notes Windows Hello issues coming from other channels, bugchecks with KERNEL_SECURITY_CHECK_FAILURE after upgrading, and you will continue to hear the Windows Vista startup sound in this build.

Finally, the development team is working to resolve a crash issue with the Settings app when loading the “Power & battery” page, as well as the issue of random characters appearing in text settings.

Install Windows 11 build 27902

To download and install this Windows 11 build, enroll your device in the Canary Channel through the “Windows Insider Program” settings from the “Update & Security” section. Once you enroll the computer in the program, you can download the build from the “Windows Update” settings by turning on the “Get the latest updates as soon as they’re available” option and clicking the “Check for Updates” button.

  • To set up a fingerprint reader on Windows 11, open Settings > Accounts > Sign-in options , select “Fingerprint recognition,” click “Set up,” click “Get started,” and use the sensor to register your fingerprint.

On Windows 11 , you can set up a fingerprint reader to sign in using only your finger, and here’s how. Windows Hello is the name of the feature that Microsoft has chosen to describe the support for more secure ways to sign in to Windows 11 using biometric and Personal Identification Number (PIN) authentication.

This feature allows you to replace a traditional complex and less secure password with a more secure and easy-to-use authentication method, including facial recognition , fingerprint, and PIN to unlock a Windows 11 computer.

This guide will teach you how to configure and remove Windows Hello using a fingerprint reader on Windows 11.

  • Enable Windows Hello fingerprint recognition
  • Remove Windows Hello fingerprint recognition
  • Windows Hello compatible hardware

Enable Windows Hello fingerprint recognition

To unlock Windows 11 using a fingerprint reader, use these steps:

  1. Open Settings on Windows 11.
  2. Click on Accounts .
  3. Click the Sign-in options tab.
  4. Under the “Ways to sign in” section, select the Fingerprint recognition setting.
  5. Click the “Set up” button to enable the Windows Hello fingerprint feature.
  6. Click the Get started button.
  7. Confirm your Windows 11 account password.
  8. Touch the fingerprint sensor as indicated in the wizard.
  9. Continue with the on-screen directions to capture your fingerprint from various angles. Quick tip: It’s recommended to click the “Add another finger” option to configure a second and even a third finger you can use if you encounter problems signing in.

Once you complete the steps, you should be able to lock your device (including using the “Windows key + L” keyboard shortcut) and then use the fingerprint reader to sign in with the finger that you configured.

Remove Windows Hello fingerprint recognition

To remove the Windows Hello fingerprint on Windows 11, use these steps:

  1. Open Settings .
  2. Click on Accounts .
  3. Click the Sign-in options tab.
  4. Under the “Ways to sign in” section, select the Fingerprint recognition setting.
  5. Click the Remove button.
  6. Click the Remove button again to disable the Windows Hello fingerprint option.
  7. Confirm the Windows 11 account password.
  8. Click the OK button.

After you complete the steps, you can continue signing in with a traditional password. If you have configured Facial recognition or PIN, you must remove those configurations using the same steps to disable the Windows Hello feature entirely on Windows 11.

Windows Hello compatible hardware

If you want to sign in to Windows 11 using your facial recognition or fingerprint, you can find many devices with Windows Hello built-in, such as the Surface Pro 8 , Surface Laptop 4 , Surface Go 3 , and many others.