Heat-Sink; Removing The Heat-Sink - Dell OptiPlex 7070 Ultra Service Manual

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Steps
1. Align the connectors on the system board with the connector slots on the chassis.
2. Gently slide the system board into the chassis.
3. Tighten the M2x3 captive screw and replace the four (M2x3) screws to secure the system board to the chassis.
4. Route the power-button cable and the coin-cell battery cable through the routing guides.
5. Connect the power-button cable and the coin-cell battery cable to the connectors on the system board.
6. Route the WLAN antenna cables through the routing guides.
NOTE:
The antennas should be aligned with the notches in the system board and the cable routing should not be
over the system board QR code.
Next steps
1. Install the
solid-state
drive.
2. Install the memory.
3. Install the
WLAN
card.
4. Install the
system
fan.
5. Install the cover.
6. Install the
hard-drive
assembly.
7. Follow the procedure in

Heat-sink

Removing the heat-sink

Prerequisites
1. Follow the procedure in
2. Remove the
hard-drive
3. Remove the cover.
4. Remove the
system
fan.
5. Remove the
WLAN
card.
32
Removing and installing components
After working on your
device.
Before working inside your
assembly.
device.

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