I have a computer running windows 8.1, and I want to install ubuntu along side of it. However, my computer has some corrupted system files on it when I bought it, so I took it into a local store to have them look at it. They re-installed windows 8.1. Its all been working fine, until I went to install Ubuntu. I cannot access my UEFI firmware settings menu to turn off secure boot. So i tried changing my boot mode, through BIOS, to UEFI from Legacy. This worked! Ubuntu booted up and I started the install process but when I got to the part where I tell it what partition on my hard drive to put it on, it shows one partition of my whole hard drive with the full terabyte available for storage. And that's not the case, there should be 3. My windows system reserved partition, my main windows partition, and the 85 gigabyte partition I made for Ubuntu.
I change my boot mode to UEFI and turn off secure boot, install Ubuntu, and then go back and install windows. This makes me uneasy though as I'm not sure everything would work.
The main issue that I've figured out, cause I posted over at reddit too, is that the partitions cant be seen by the installer and I don't want to only run Ubuntu