Dell Studio 1457 (Late 2009) - Manual (Page 47)

Replacing the WWAN Module
1. Connect the WWAN module cable to the connectors on the WWAN module and the system board.
2. Place the WWAN module on the computer base.
3. Replace the three screws that secure the WWAN module to the computer base.
4. Replace the optical drive (see Replacing the Optical Drive ).
5. Replace the speaker module (see Replacing the Speaker Module ).
6. Replace the palm rest (see Replacing the Palm Rest ).
7. Replace the keyboard (see Replacing the Keyboard ).
8. Replace the hard drive (see Replacing the Hard Drive ).
9. Replace the Mini-Cards, if applicable (see Replacing the Mini-Card ).
10. Replace the memory modules (see Replacing the Memory Module(s) ).
11. Replace the base cover (see Replacing the Base Cover ).
12. Replace the battery (see Replacing the Battery ).
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1 WWAN module 2 WWAN module cable connector