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Disconnect the I/R PCA cable from the motherboard.
Remove the two M2.5×4.0 mm screws that secure the I/R PCA to the bottom case.
Remove the I/R PCA.
Figure 2-24. Removing the I/R PCA
Reassembly Note
Caution
Use care when handling the I/R PCA cable. Damaging the cable can degrade notebook
performance.
• Make sure you route the I/R PCA cable between the left screw hole and the bottom case.
Service Manual Removal and Replacement 2-37