Dell PowerEdge XE9640 Installation And Service Manual page 213

3. Remove the storage tray.
4. Remove the risers.
5. Remove the VSB cables from the system
6. Remove lower brace cover.
7. Disconnect all the cables from the system board and make note of all the cable connections. For more information, see
Cabling diagram.
8. Disconnect the liquid cooling tubes 11 and 12 from the Manifold for DLC module and keep in on the system board and make
sure do not damage any connectors on the system board.
9. Slide out the system board
10. Unplug the cold plate tubes from the Manifold Liquid cooling module.
11. Remove the sensor tray.
12. Remove the GPU cold plate
Steps
1. Here is the orientation image for removal and installation sequence of liquid cooling tubes for processor, CBB, GPU cold
plates.
Figure 225. Removal and installation sequence of liquid cooling tubes for processor, CBB, GPU cold plates
2. If you want replace just the GPU module, align and insert the GPU module on the GPU socket. Using Phillips 1 screwdriver,
tighten the four screws securing GPU module on GPU socket.
NOTE: The procedure to install the all the GPUs is same.
board.
tray.
Installing and removing system components 213