NOTE: The tab may indicate 5.25 inch because you can also install a 5.25 inch hard drive in same drive bay.Removing 3.5–inch hard drive from the hard drive bracket1 Follow the procedure in Before working inside your computer.2 Remove the:a Back coverb Front bezelc Hard drive assembly3 To remove hard drive bracket:a Pull one side of the hard drive bracket to disengage the pins on the bracket from the slots on the hard drive [1].b Lift the hard drive out of the hard drive bracket [2].Disassembly and reassembly 17

Dell OptiPlex 5055 Tower Owner's Manual