HP Pro 4300 Maintenance And Service Manual page 48

5. Pull upward on the raised tab on the memory cover and lift the cover off the computer.
Figure 6-19
6. To remove a memory module, press outward on the two latches on each side of the SODIMM
(1), then pull the SODIMM out of the socket (2).
Figure 6-20
40 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis
Removing the memory cover
Removing a memory module