Dell Latitude E5520M (Early 2011) - Manual (Page 41)

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Heat Sink
Removing the Heat Sink
1. Follow the procedures in Before Working On Your Computer .
2. Remove the battery .
3. Remove the back panel .
4. Remove the CPU door .
5. Loosen the screws on the heat sink.
6. Lift the heat sink and remove it from the computer.
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Installing the Heat Sink
Installing the Heat Sink
1. Tighten the screws as per the numerical sequence on the heat sink module.
2. Replace the CPU door .
3. Replace the back panel .
4. Replace the battery .
5. Follow the procedures in After Working Inside Your Computer .
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