Alienware Aurora Ryzen Edition R14 Service Manual page 77

Steps
1. Disconnect the hard-drive data cables from the system board.
2. Disconnect the processor-power cables from the system board.
3. Disconnect the system-board power cables from the system board.
4. Disconnect the top-chassis fan power cable from the system board.
5. Disconnect the front-chassis fan power cable from the system board.
6. Disconnect the side-light power cable from the system board.
7. Disconnect the SATA power cable from the system board.
8. Disconnect all the cables that are connected to the system board.
NOTE: Note the routing of all cables as you remove them so that you can route them correctly after you replace the system
board. For information about system-board connectors, see
NOTE: Note the routing of all cables as you remove them so that you can route them correctly after you replace the system
board.
9. Remove the nine screws (#6-32x1/4") that secure the system board to standoffs on the chassis.
10. Remove the screw (#6-32x1/4") that secures the front I/O-bracket to the chassis and remove the front I/O-bracket.
11. Hold the edge of the system board where the front I/O-ports are located.
12. Hold the edge of the system board where the rear ports are located.
13. Lift the system board off the chassis at an angle and remove the system board from the chassis.
"system-board components".
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