Dell Inspiron 15 3521, Руководство по обслуживанию

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NOTE: Before removing the 3-cell battery, disconnect and remove the hard-drive flexible flat cable from its connector
on the system board to avoid tugging of the 3-cell battery on the hard-drive flexible flat cable.
3. Disconnect and remove the battery cable from the 3-cell battery.
Installing the 3-cell battery
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the 3-cell battery and provides a visual representation of the installation procedure.
Steps
1. Connect the battery cable to the 3-cell battery.
2. Place the 3-cell battery along with the battery cable on the palm-rest and keyboard assembly.
NOTE: Connect the hard drive flexible flat cable to its connector on the system board after placing the 3-cell battery,
in its slot on the palm-rest and keyboard assembly, to avoid tugging of the 3-cell battery on the hard drive flexible flat
cable.
3. Align the screw holes on the 3-cell battery to the screw holes on the palm-rest and keyboard assembly.
4. Replace the three screws (M2x3) to secure the 3-cell battery to the palm-rest and keyboard assembly.
Next steps
1. Install the base cover .
2. Install the secure digital card .
3. Follow the procedure in After working inside your computer .
20 Removing and installing components