Dell Inspiron 4100 - Manual (Page 31)

Palm Rest
1. Remove the hard drive .
2. Remove the keyboard .
3. Remove the display assembly and hinge covers .
4. Turn the computer over and remove the three M2.5 x 12-mm screws labeled "circle P."
1 right hinge cover
2 left hinge cover
NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries.
NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer.
NOTICE: Read " Preparing to Work Inside the Computer " before performing the following procedure.
NOTICE: You must remove the display assembly before you remove the palm rest; the display hinges pass through the back of the palm rest.