Table 2-9. Removing Top Case Components Table 2-10. Removing Bottom Case Components 2-28 Removal and Replacement HP OmniBook 900 Component Removal Procedures Additional Steps (See figure on page 4-2) Case, top See page 2-18. Keyboard See page 2-12. Support, touch-pad Hard drive (page 2-6). Keyboard (page 2-12). Display (page 2-16). Top case (page 2-18). 1. Remove the screw holding the support plate to the top case. 2. Slide the support plate to the side and lift it out. Reassembly Notes: Make sure the touch pad is seated properly before installing the support plate. Press down on the support plate while sliding it into place. Make sure it is held down at the left and right edges.
Check the action of the click buttons before installing the top case. Touch pad Hard drive (page 2-6). Keyboard (page 2-12). Display (page 2-16). Top case (page 2-18). 1. Remove the screw holding the support plate to the top case. 2. Slide the support plate to the side and lift it out. 3. Lift out the touch pad and its flex cable. Reassembly Notes: Make sure the touch pad is seated properly before installing the support plate. Press down on the support plate while sliding it into place. Make sure it is held down at the left and right edges. Check the action of the click buttons before installing the top case.
Component Removal Procedures Additional Steps (See figure on page 4-2) Case, bottom See page 2-20. CPU module See page 2-14. Door, module bay connector Hard drive (page 2-6). Keyboard (page 2-12). Display (page 2-16). CPU (page 2-14). Top case (page 2-18). Motherboard (page 2-20). Peel the rubber door from the bottom case. Reassembly Notes: Position the new door in the center of the opening before sticking it onto the bottom case. Doors, PCMCIA Hard drive (page 2-6). Keyboard (page 2-12). Display (page 2-16). Top case (page 2-18). Flex each door until one side tab releases. Reassembly Notes: See the figure on page 2-23. Fan (12-inch display) Keyboard (page 2-12). Caution:
Do not spin the fan blade with your finger. Pressure on the fan blade can damage the bearings. 1. Remove the eight screws (OmniBook 900†) or six screws and two springs (OmniBook 900B) from the heatsink and lift off the heatsink. 2. Remove the two screws (12-inch display) or one screw (13-inch display) holding the fan. 3. Unplug the fan cable from the motherboard and lift out the fan. Reassembly Notes: The opening in the side of the fan faces the vent in the bottom case. Fan (13-inch display) Hard drive (page 2-6). Keyboard (page 2-12). Display (page 2-16). Top case (page 2-18).