MRT software has added a new disk repair function in its recent software upgrade. In this new version, we can shield any head we want in Seagate generation 14 1CH series. In the previous version, MRT can already support the head shielding of Seagate 5400.6 series. There is no big difference in the operations between head shielding of Seagate generation 14 1CH and 5400.6 series, but we should pay attention to some small details