HP Pavilion dm4 Maintenance And Service Manual page 56

6. If it is necessary to replace the hard drive cable (1), screws (2), or bracket (3), remove and
replace the components. The bracket, cable, and screws are available in the Hard Drive
Hardware Kit, spare part number 669066-001.
Reverse this procedure to reassemble and install the hard drive.
48 Chapter 4 Removal and replacement procedures