Lenovo x3550 M4 Installation And Service Manual page 309

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5. Remove the USB cage screw from the chassis.

Figure 198. USB cage screw removal

6. Disconnect the cables from the front USB connector.

Figure 199. Front USB and video cables connection

7. Pull the front USB connector assembly out slightly; then, rotate it downward

until the tabs on the bottom of the front USB connector assembly disengages

from the chassis and set it aside.

Chapter 6. Removing and replacing components

Troubleshooting