Use a phillips screwdriver to remove this screw, doing so will allow the old hard drive to slide out from the unit, from there you will have direct access to the PS3's hard drive, and you can change it.
Jiri onye nlezianya nzuzu iji wepụ ihe a, ime nke a ga - ekwe ka draịvụ ochie ahụ na - esi na unit ahụ pụta, site n'ebe ahụ ị ga - enwe ike ịnweta draịvụ PS3, ị nwere ike ịgbanwe ya.