If your machine doesn’t boot into Ubuntu when you power it on and you’re getting this screen:
Ensure SATA cables are securely attached to motherboard and drive bay
Open the left and right side panels of the machine’s case (you will need to remove screws). On the left side of the machine (when facing the machine’s front), ensure that the SATA cables are securely attached to the motherboard:
On the left side of the machine (when facing the machine’s front), ensure that the SATA cables are securely attached to the drive bay:
