Dell Vostro 3750 (Early 2011) - Manual (Page 115)

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DC-In Port
Removing The DC-in Port
1. Follow the procedures in Before Working On Your Computer .
2. Remove the battery .
3. Remove the keyboard .
4. Remove the memory door .
5. Remove the optical drive .
6. Remove the palm rest .
7. Remove the hinge cover .
8. Remove the WLAN card .
9. Remove the display assembly .
10. Release the DC-in cable from the trough.
11. Remove the screw that secures the DC-in port.
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