HP Pavilion g4-2149se Notebook PC - Manual (Page 66)

7. Slide the service door forward slightly (2), lift the front right corner of the service door (3), and
then maintain an angle while removing the service door (4).
8. If you are replacing a memory module, remove the existing memory module:
a. Pull away the retention clips (1) on each side of the memory module.
The memory module tilts up.
56 Chapter 8 Maintaining your computer