Dell Inspiron 15 3521, Руководство по обслуживанию

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About this task
NOTE: If either the system board or the system board thermal plate is replaced, use the thermal grease provided in the kit
to ensure that thermal conductivity is achieved.
The following image indicates the location of the system board thermal plate and provides a visual representation of the
installation procedure.
Steps
1. Place the system board thermal plate on the palm-rest and keyboard assembly.
2. Align the screw holes on the system board thermal plate to the screw holes on the palm-rest and keyboard assembly.
3. Replace the two screws (M2x5) and four screws (M2x3) to secure the system board thermal plate to the system board.
NOTE: Tighten the four screws (M2x3) in the sequential order mentioned on the system board thermal plate [1 > 2 > 3
> 4].
Next steps
1. Install the base cover .
2. Install the secure digital card .
3. Follow the procedure in After working inside your computer .
Touchpad
Removing the touchpad
Prerequisites
1. Follow the procedure in Before working inside your computer .
2. Remove the secure digital card .
3. Remove the base cover .
4. Remove the 3-cell battery or the 4-cell battery , whichever applicable .
About this task
The following images indicate the location of the touchpad and provide a visual representation of the removal procedure.
Removing and installing components 39