Hard Drives that are included in the product are usually covered under normal warranty. Considering that modern harddrives include G-force sensors including log

Hard Drives that are included in the product are usually covered under normal warranty. Considering that modern harddrives include G-force sensors including logging drop events, it should be provable if a harddrive failed due to a drop or not (ie, read out G-force events and see if they line up with failed sensors).