I ordered a new us-intl keyboard for my EliteBook 8560w. I can type faster with this layout. But removing the old keyboard was a challenge. You must be brave. 🙂
There is a description of the process from LaurentP in a threat at the HP Support Forum.
Here some additional pictures.
Press behind the spur with a small screwdriver:
Put a plasticcard between the keyboard and the frame:
and move it from PAGE DOWN to ESC.
After removing the keyboard you can see the two places which are difficult:
Have fun 🙂