Steps
1. Locate the WWAN slot on your computer.
2. Slide the WWAN card into the slot on your computer.
3. Reconnect the WWAN cables to the WWAN card module.
4. Place the WWAN metal bracket on the WWAN card module.
5. Replace the single (M2x3) screw to secure the module to the computer.
Next steps
1. Install the battery.
2. Install the base cover.
3. Follow the procedure in After working inside your computer.
Hard-drive assembly
Removing the Hard drive
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the base cover.
3. Remove the battery.
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Disassembly and reassembly