One example of these types of variants is the Lojax firmware implant.

UEFI malware has been spotted sporadically over the course of the last five years. It’s responsible for starting the PC’s hardware before its operating system (OS) loads.Īs a result, it’s a big target for hackers as it allows for total control over what the computer can load, and what security systems it can disable, for example, but exploits for software that runs at this low level are rare. In the case that your device is using a UEFI firmware, and you can't seem to access it during startup, then it's recommended to use the Settings option from within Windows 10.UEFI is low-level software that is gradually replacing BIOS.

Surface: Press and hold volume up button.

Here are some computer brands and their respective keys to access the motherboard firmware: If you can't make the computer to access the firmware using the keyboard, you may need to check your device manufacturer to find out the key that you need to press during boot. If you don't see the information on the screen or the device boots too fast, restart the device again, and as soon as the boot starts, press the required key multiple times quickly.

Usually, you need to press the ESC, Delete, or one of the Function keys (F1, F2, F10, etc.).Īfter you complete the steps, the device will access the BIOS or UEFI firmware, depending on the motherboard support. Press the required key repeatedly until you enter the setup mode.See the screen splash to identify the key you must press to enter the firmware (if applicable).

To enter the UEFI or legacy BIOS during boot, use these steps: If you don't have access to the Windows 10 desktop or you're using a device with a legacy BIOS, then you can still access the firmware during boot. How to access UEFI (BIOS) using boot key option Once you complete the steps, the device will restart and boot into the UEFI firmware allowing you to change advanced settings, such as to disable or enable secure boot, change boot order, set up a hardware RAID array, enable virtualization, and other settings depending on the motherboard support. Source: Windows Central (Image credit: Source: Windows Central)

Uefi windows 11