Removal and Replacement Procedures

4.Disconnect the fan cable 1 from the system board (Figure 5-20).

5.Remove the following screws:

❏One TM2.5 × 5.0 screw 2 next to the fan

❏One TM2.5 × 5.0 screw 3 that secures the display video cable ground loop

❏Four spring-loaded TM2.5 × 14.0 shoulder screws 4

✎The four spring-loaded shoulder screws should be removed and installed in the “1,” “2,” “3,” “4” sequence stamped on the heat spreader adjacent to each screwhole.

❏One TM2.5 × 8.0 screw 5 next to the keyboard and TouchPad ZIF connectors

Figure 5-20. Removing the Heat Spreader Screws

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Maintenance and Service Guide