The Boot Guard of your system may fail to verify due to an outdated BIOS of your system. Moreover, a corrupt BIOS may also cause the error at hand. The affected user encounters the error message right after the manufacturer’s logo is shown when the system is powered on. The error is not limited to a particular make and model of PC. Also, the issue is not limited to a specific OS.
Warning: Proceed at your own risk as you may brick your system and cause non-recoverable damage to your PC if you do not have the required expertise to troubleshoot a BIOS issue.
Before moving on with the solutions, strip your system to bare minimum and try to clear CMOS.
Solution 1: Update BIOS of Your System to the Latest Build
BIOS is updated to keep pace with the technological advancements and patch are known bugs. You may encounter the error under discussion if you are using an outdated version of BIOS. In this context, updating BIOS to the latest build may solve the problem.
- Power on your system and press the F10 key to boot the system through the boot options. You may have to try 5 to 10 times to boot the system. If F10 is not working, try F12.
- When the system boots into the OS, launch a web browser and visit the website of your system’s manufacturer. Then manually download the latest version of BIOS for your specific model.
- Now launch the downloaded file with administrative privileges and then check if the problem is solved.
- If you cannot boot into the system, you may have to update the BIOS of your system through a USB stick.
Solution 2: Try the BIOS Recovery Tool
If you cannot Boot the system to update the BIOS, then it is best to try the BIOS recovery tool (if supported by your system). The tool is designed to recover a corrupt BIOS. The tool can be used to recover BIOS by using a recovery file from the hard disk of your system or a USB device. For elucidation, we will discuss the process for Dell.
- Power on your system. Then press and hold the CTRL + ESC keys until the BIOS Recovery screen is shown (if supported by your system).
- Now choose the Recover BIOS option and press the Enter key to initiate the recovery process.
- Upon completion of the BIOS recovery process, restart your system and check if the problem is solved.
If nothing has helped you so far, then check if your system is using multi-BIOS (Dual BIOS). If so, then make sure both BIOS are updated to the same software version.
If you are still encountering the issue, then the issue is the result of a corrupt BIOS or damaged motherboard and you may have to visit a PC repair shop.
Note: If none of the above methods work, you can try consulting the official Dell website for the process to recover the BIOS in Dell computers.