Dell Vostro 3550 (Early 2011) - Manual (Page 27)

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ExpressCard Board
Removing The ExpressCard Board
1. Follow the procedures in Before Working On Your Computer
2. Remove the battery .
3. Remove the ExpressCard .
4. Remove the access panel .
5. Remove the keyboard .
6. Remove the palm rest .
7. Lift up the ExpressCard board cable securing clip to open it.
8. Disconnect the ExpressCard board cable.
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