2. Remove the base cover (plastic chassis) or the base cover (aluminum chassis), whichever is applicable.
3. Remove the fan.
About this task
The following images indicate the location of the I/O board and provide a visual representation of the removal procedure.
Figure 56. Removing the I/O board
Steps
1. Remove the two screws (M2.5x4) that secure the left display hinge to the I/O board and the palm-rest and keyboard
assembly.
2. Using a plastic scribe, lift the left display hinge to an angle of 90 degrees from the palm-rest and keyboard assembly to
access the I/O board.
3. Open the latch and disconnect the I/O-board cable from the connector on the I/O board.
4. Open the latch and disconnect the fingerprint-reader cable from the connector on the I/O board.
NOTE: This step applies only to computers shipped with a power button with fingerprint reader installed.
78 Removing and installing Field Replaceable Units (FRUs)
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