Selected Boot Image Did Not Authenticate Error

This message splashes on your screen during system bootup. When you turn on your PC, the screen turns blue within a few seconds and displays this error message Selected boot image did not authenticate.

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Disable Secure Boot

The UEFI-based Secure Boot functionality prevents loading of unauthorized software and malicious codes. However, at times, it may cause conflicts with the Boot Image and display an error. Temporarily disable this feature and check whether the problem still persists. If the problem still persists, re-enable this security feature.

  1. Restart your computer and load the BIOS Setup. To load it, press F2 or Delete key repeatedly.
  2. Go to Authentication, and then Secure Boot.
  3. Disable the Secure Boot feature, and then go to Exit menu, select Save changes and exit.

 

Restore Default BIOS Settings

Recent changes made to your BIOS settings may have been the actual culprit behind this error message. Revert the BIOS settings to factory defaults to check if this is the case indeed.

  1. Go to the BIOS Setup.
  2. Go to the Exit menu.
  3. Choose Restore default settings. Press Enter.
  4. Choose Save changes and exit and press Enter.

 

Update Windows Drivers

Image authentication error may occur due to outdated drivers. It is necessary to regularly update all drivers. There are two ways to do so– either download updates from the manufacturer’s website or use a pre-installed tool known as Device Manager. If you choose to follow the former method you need to go to the Downloads section on the manufacturer’s website, select the model number, operating system and it’s version and initiate the download.

Alternative steps are given below:

  1. Press Windows Key + X; choose Device Manager.
  2. Expand the top node on the left.
  3. Update all drivers. To update a driver, right-click it and choose Update driver software.
  4. You’ll be prompted to download updates automatically or locate an already downloaded setup file. Choose the former option, and follow the on-screen instructions.

 

Restore Windows

The System Restore utility is used to revert the system to an earlier point of time. The term system state includes Registry configurations, device settings, application settings, user profile data, software installations and other important system changes.

  1. Type System Restore in the Search Box on your Taskbar.
  2. Open Create a restore point from the Search Results.
  3. From the new dialog that appears, click System Protection tab.
  4. Click System Restore.
  5. You have the System Restore wizard. Click Next.
  6. Select a previous restore point, click Next.
  7. Follow the on-screen instructions to complete the restoration process.

 

Check System Files Health

Unauthorized modifications to a system file shouldn’t be taken lightly at all. System Files Checker, a widely known tool should prove helpful in this matter.

  1. Press Windows Key + R to open the Run dialog.
  2. Type CMD and then press Enter.
  3. In the Command Prompt window, type SFC /ScanNow and press Enter.