I'm trying to install Ubuntu 16.04.3 on my old HP desktop. Setup runs fine until I get to the installation type (partition) window. The installer is not detecting the Seagate SATA hard drive, and only shows the /dev/sda (the usb installer) as a device for boot loader installation. I checked multiple other questions and tried to replicate what they did, nothing has worked so far.
What I've done: Played with BIOS settings to change the SATA controller to IDE and AHCI, both didn't work. Plugged the HDD into every SATA port on the motherboard. I've been able to install Ubuntu on different PCs before without any issues, this is the first time I've not been able to locate the HDD in the installer.
This is a 64 bit system on AMD Phenom II x4. Windows 10 is installed on the HDD.