HP Envy 15-1270 User Manual page 87

b. Insert the memory module into the top memory module slot and rotate the module downward
(2) until it is seated and the retention clips (3) snap into place.
CAUTION:
edges only. Do not touch the components on the memory module.
12. Align the tabs (1) on the memory module compartment cover with the notches on the computer.
13. Close the cover (2).
14. Tighten the memory module compartment cover screws (3).
15. Replace the battery.
16. Turn the computer right-side up, and then reconnect external power and external devices.
17. Turn on the computer.
To prevent damage to the memory module, hold the memory module by the
Adding or replacing a memory module in double-slot models 77