Dell Latitude E6220 (Mid 2011) - Manual (Page 47)

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Bottom Chassis
Removing The Bottom Chassis
1. Follow the procedures in Before Working On Your Computer.
2. Remove the secure digital (SD) card.
3. Remove the battery.
4. Remove the base cover.
5. Remove the hard drive.
6. Remove the Bluetooth module.
7. Remove the speakers.
8. Remove the following cables:
• hall sensor
• fingerprint reader
• touchpad
• smart card reader
9. Remove the screws from the bottom chassis.
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