HP Compaq Pro 4300 Small Form Factor Reference Manual page 37

8. Install three M3 metric mounting screws in the lower holes on each side of the drive: two on the
right side and one on the front left side. HP has provided extra M3 metric mounting screws on
the front of the chassis, under the front bezel. The M3 metric mounting screws are black. Refer
to Installing and Removing Drives on page 26
screws location.
CAUTION: Use only 5-mm long screws as mounting screws. Longer screws can damage the
internal components of the drive.
NOTE: When replacing the drive, transfer the three M3 metric mounting screws from the old
drive to the new one.
Figure 2-23 Installing Mounting Screws in the Optical Drive
9. Position the mounting screws on the drive into the J-slots in the drive bay. Then slide the drive
toward the front of the computer until it stops.
Figure 2-24 Installing the Optical Drive
for an illustration of the extra M3 metric mounting
Installing and Removing Drives 31