Dell Vostro 3591 With optical drive Service Manual - Page 36

Heat sink, Removing the heatsink

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Next steps 1. Replace the battery 2. Replace the base cover 3. Replace the optical drive assembly 4. Replace the SD memory card 5. Follow the procedure in after working inside your computer Heat sink Removing the heatsink Prerequisites 1. Follow the procedure in before working inside your computer 2. Remove the SD memory card 3. Remove the base cover 4. Remove the battery 5. Remove the system fan Steps 1. Loosen the four captive screws that secure the heatsink to the system board [1]. NOTE: Loosen the screws in the order of the callout numbers [1, 2, 3, 4] as indicated on the heatsink. 2. Lift the heatsink off the system board [2]. 36 Removing and installing components

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Next steps
1.
Replace the
battery
2.
Replace the
base cover
3.
Replace the
optical drive assembly
4.
Replace the
SD memory card
5.
Follow the procedure in
after working inside your computer
Heat sink
Removing the heatsink
Prerequisites
1.
Follow the procedure in
before working inside your computer
2.
Remove the
SD memory card
3.
Remove the
base cover
4.
Remove the
battery
5.
Remove the
system fan
Steps
1.
Loosen the four captive screws that secure the heatsink to the system board [1].
NOTE:
Loosen the screws in the order of the callout numbers [1, 2, 3, 4] as indicated on the heatsink.
2.
Lift the heatsink off the system board [2].
36
Removing and installing components