I'm not sure if this is an Ubuntu issue or a hardware one, but I'm trying to install 16.04 on an old Optiplex 990 with a new 4TB HDD.
From USB, GParted can find the HDD, and the installer sets up Ubuntu fine. The HDD also shows up in the BIOS. But on boot, post-install, I keep getting "No Hard Drive Found." I've tried moving the drive from SATA0 to SATA1 -- still detected in the BIOS and GParted -- but still "No Hard Drive Found" on boot.
Any ideas on what's going on here -- why I can see the HDD in BIOS, and with GParted and through the install process, but the HDD can't be found as a bootable drive afterwards?
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