Can the disk be removed and replaced with out messing receiver up. It does not sound like it is spinning and I am getting a message checking the disk please wait up to 30 minutes but nothing happens . Did force software upgrade and it took it but still no change can not get into the menu to...

A customer has a R15 that has a message screen that reads checking disk please wait up to 30 minutes but never comes it took a software upgrade so it is getting signal . have not been out to check becaues of location but walked him thru and he is telling me he can not get into the menu screen I...