HP ENVY Maintenance And Service Manual page 44

5. Disconnect the battery.
Remove the memory module:
1. Spread the retaining tabs (1) on each side of the memory module slot to release the memory module.
(The memory module tilts up.)
2. Remove the memory module (2) by pulling the module away from the slot at an angle.
Reverse this procedure to install a memory module.
36 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts