HP ProBook 4310s Maintenance And Service Manual page 56

Removal and replacement procedures
8. If it is necessary to replace the hard drive bracket or connector, follow these steps:
a. Disconnect the hard drive connector 1 from the hard drive.
b. Remove the four Phillips PM3.0×4.0 screws 2 that secure the hard drive bracket to the hard drive.
c. Lift the bracket 3 straight up to remove it from the hard drive.
Reverse this procedure to reassemble and install the hard drive.
Maintenance and Service Guide 4–1 1