Service manual
Fan: Dell Latitude C840 Service Manual
2. Remove the system board.
3. Remove the three M2 x 4-mm screws from the fan.
4. Disconnect the two fan cables from the system board.
5. Pull the fan away from the back-panel bracket.
NOTICE: When reconnecting the fan cables, connect the shorter cable to the
connector closest to the fan. Route both cables so that they will not be pinched
by the microprocessor thermal-cooling assembly.
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