Dell Inspiron M421R (Late 2012) - Manual (Page 51)

Removing the Mini-Card | 50
20 Removing the Mini-Card
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 8. For additional safety best practices information, see the Regulatory
Compliance Homepage at dell.com/regulatory_compliance.
If you ordered a wireless Mini-Card with your computer, the card is already installed.
Prerequisites
1 Remove the base cover. See "Removing the Base Cover" on page 26.
2 Remove the battery. See "Removing the Battery" on page 16.
3 Remove the keyboard. See "Removing the Keyboard" on page 20.
4 Remove the palm rest. See "Removing the Palm Rest" on page 44.
Procedure
1 Disconnect the antenna cables from the connectors on the Mini-Card.
2 Remove the screw that secures the Mini-Card to the connector on
the system board.
1 screw 2 Mini-Card
3 antenna cables (2)
3
1
2
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