HP Pavilion ZE2000 Hardware And Software Manual page 136

Hardware Upgrades and Replacements
9. To close the memory compartment, align the tabs on the
memory compartment cover with the cover slots on
the notebook, and then slide the cover over the memory
compartment until it is seated 1.
10. Tighten the 2 memory compartment screws 2.
11. Replace the battery pack, reconnect the notebook to external
power, and then restart the notebook.
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