7. Slide the keyboard out until it stops, and then release two tabs on the keyboard.
Figure 1-54 Release the keyboard
8. Remove the keyboard.
Figure 1-55 Remove the keyboard
Step 2: Unpack the replacement assembly
1. Dispose of the defective part.
NOTE: HP recommends responsible disposal of the defective part.
http://www8.hp.com/us/en/hp-information/environment/product-recycling.html
ENWW Removal and replacement procedures 49