HP Pavilion dm1-4171nr Entertainment Notebook PC - Manual (Page 76)

c. Gently press the memory module (3) down, applying pressure to both the left and right
edges of the memory module, until the retention clips snap into place.
CAUTION: To prevent damage to the memory module, be sure that you do not bend the
module.
8. Replace the service door (see Installing a hard drive on page 62 ).
9. Replace the battery.
10. Reconnect external power and external devices.
11. Turn on the computer.
66 Chapter 10 Memory modules