I am trying to enter BIOS settings on my Lenovo Desktop PC, but I can't figure out how to do it! I have entered it before, because I had to enable Intel Virtualization Technology, but I don't remember it to be so hard as it is now. I have tried to use the keys that is specified for my machine on Lenovos pages, but it won't work. When I try to press for example F1 repeatedly, I just enter grub menu, which I don't normally do on regular bootups.
As well as this, when the grub menu pops up, I am not able to use my keyboard to navigate here, and I don't know if this have something to do with this.
My system is a Lenovo ThinkCentre Edge 72, running Ubuntu 18.04, in case that helps.
Page 73 of the User Guide for the ThinkCentre Edge 72 Desktop specifies F1 is the key to use to get into the BIOS/Firmware Setup. It says to press that key repeatedly. The BIOS/Firmware setup comes before the bootloader which comes before the rest of the OS, so this is well before the OS starts.
If you can't get the PC to recognize your pressing F1 then try another keyboard.