@gopher38 If you're simply looking to remove recorded programs from the PVR, we would recommend using the PVR Cleanup menu to do this. To access this feature, press the SETTINGS button on your remote, choose PVR from the Quick Menu, then PVR Cleanup. Use the arrow keys to highlight the episode you wish to delete, then OK/Select to select the episodes for bulk deletion.
It is, however, possible to format the hard drive in the PVR while in the configuration menu, which would help if there are corrupt or stuck recordings that you're unable to delete individually or through the PVR Cleanup. I just want to be completely clear here, this will delete ALL of the recordings stored on the PVR, but all settings on the box, such as your favourite channels and scheduled recordings will remain unchanged
To format the storage drive and remove all recordings, you'll want to start with your TV and PVR on, then complete the following steps: