Solved Reset Dell BIOS to default

Hi All, I have a Dell inspirion 15 laptop running Windows 8.1. A while ago I decided to try Ubuntu out. I installed it alongside Windows 8.1 in dual boot configuration with its own separate hard drive partitions. This means that when I powered on my laptop a GRUB menu (Linux’s boot manager) would come up allowing me to choose between Windows and Ubuntu. However, Ubuntu was more pain than it...