Bios updating option
It is also worth mentioning that the OEM’s stop updating the BIOS for some of the machines after a certain time span. One can also download the Now, this is the easiest part and I have been using this method to update the BIOS on my HP Laptop since quite some time.
The motherboard manufacturers to have their own BIOS update applications and all you need to do is press a button and voila! It’s always advisable to turn off firewalls and other security software since they could meddle with the process.
BIOS is, after all, a piece of software that needs to be regularly updated, just to the operating system or the apps in general.
I guess I installed Ubuntu in BIOS mode but I've no idea how to either change things so it boots in UEFI mode, or change the BIOS settings so that GRUB sees Windows again. Please reboot the computer, and use this software in an EFI session. For example, use a live-USB of Boot-Repair-Disk-64bit ( after making sure your BIOS is set up to boot USB in EFI mode.
Hardware manufactures often provide updates for BIOS and other types of firmware.
If your computer is working properly, you do not need to update or flash your BIOS.
In any case, should you wish to, we recommend that you do not try to update your BIOS yourself, but instead take it to a computer technician who may be better equipped to do it. Once the System Information Tool opens, you can check the BIOS version.