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2-24 Removal and Replacement HP OmniBook 2100/3000/3100
7. Lift up along the back edge of the top case until that edge is free.
8. Place your thumbs on the front of the bottom case and your fingertips wrapped around the back of
the palmrest. Lift the back of the top case about 4 cm, then gently but firmly pinch the case
forward—until the four snaps release along the front edge.
Figure 2-19. Removing the Top Case
Reassembly Notes
Caution
Be sure to replace the motherboard, thermal kit (pad and spacer), or heatsink with parts that are
compatible with the CPU module. Components may be damaged if compatible parts are not used.
See the table starting on page 4-3.
• Before you install the top case and heatsink, make sure the left-rear screw is not installed in the
CPU module. (You install it after you install the heatsink.)
• Make sure the IR/icon cable and speaker cables are properly routed and restrained.
• Place the top case over the front latch but tilted up at the back, then pull forward and down along
the front edge until the snaps lock. Finally, seat the back edge over the hinge brackets.
• Route the speaker/touch-pad cable so it does not overlap the CPU module or PCMCIA housing.
(See Figure 2-17.) (Service notes 3000-09, 2100-05, 3100-05.)
• Before installing the heatsink, make sure a rubber spacer is stuck to the back-right corner of the
CPU module. If the thermal pad on top of the CPU is damaged, replace it. (Both parts are
included in the CPU thermal kit.) (See Figure 2-17.)
• When installing the heatsink, remember to plug in the fan cable, and make sure it does not overlap
the CPU module. (See Figure 2-17.)
Caution
The three heatsink screws have M2 threads, slightly smaller than other screws. Make sure you
use the correct screws. Otherwise, you could damage the threads.