Tivo Roamio Plus - Dead HDD/Replacement?

So, we purchased a new Tivo Roamio Plus from Best Buy 3 years ago. The hard drive has been making weird noises this week, so we unplugged it, and let it sit overnight.

Now when it's plugged in, the Startup Menu is stuck and won't advance.

This is a model TCD 848000.

We have the lifetime service agreement, so we're loathe to just buy another one. When this happened with our Series One years ago, we went to Fry's and bought a new HDD and installed it ourselves.

1) Is that possible? If so,...

Tivo Roamio Plus - Dead HDD/Replacement?

Tivo Roamio Plus - Dead HDD/Replacement?