bootable device

So i cant run some applications on my computer because my Virtualization is disabled and Hyper-V is supported, but as i go into the Bios setup i cannot find VT so i change from legacy (Default) to UEFI so i can enter UEFI setup from my settings but when i save changes (On UEFI) and try to start...

I have a dell latitude laptop. When rebooting it will say that there is no bootable device. If I then disconnect the battery and hold the start switch to release any static, and the replace the battery, it will start fine. I did notice I was getting overheating problems, and now use a cooling...