3.8.12 BIOS/UEFI
You want to configure your computer so that a password is required before the operating system will load. What should you do?
Configure a user password in the BIOS/UEFI.
Which of the following functions are performed by the Trusted Platform Module (TPM)?
Creates a hash based on installed system components.
You have purchased a new notebook. This notebook system uses UEFI firmware and comes with Windows 11 preinstalled. However, you want to use Linux on this system. You download your favorite distribution and install it on the system, removing all Windows partitions on the hard disk in the process. When the installation is complete, you find that the operating system won't load when the system is rebooted. Which of the following would allow your computer to boot to Linux?
Disable SecureBoot in the UEFI configuration.
To fix a problem you are having with your PC, you have determined that you must flash the computer's BIOS. Which of the following would MOST likely need to be completed prior to flashing the BIOS? (Select two.)
Download the flash utility or tool from the manufacturer's website. Properly identify the motherboard.
What is the role of the CMOS in a modern computer?
Saves information about system devices.
An employee complains that every time they turn their computer off, the computer's time is set to 12:00 p.m., and the date is set back to January 1, 1990. Which of the following is the MOST likely cause of this anomaly?
The CMOS battery has failed.
When you boot your computer, it hangs after asking you for the current time and date. What is the MOST likely problem?
The CMOS battery has failed.
You have just purchased a new computer. This system uses UEFI firmware and comes with Windows 11 preinstalled. You recently accessed the manufacturer's support website and saw that a UEFI firmware update has been released. You download the update. However, when you try to install it, an error message is displayed that indicates the digital signature on the update file is invalid. Which of the following MOST likely caused this to happen?
The update file has been tampered with.
A user has called to complain that her computer won't boot. It stops on the system startup screen right after the memory has been tested and displays a 301 keyboard error. Which of the following troubleshooting steps is the BEST to try first?
Verify that no keys are being pressed down during POST.
When do you need to upgrade the system BIOS?
Whenever a BIOS update provides functionality that is not currently supported, but is required by the operating system or hardware.
