Dell Inspiron M421R (Late 2012) - Manual (Page 55)

Removing the Power-Adapter Port | 54
22 Removing the Power-Adapter Port
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.
Prerequisites
1 Remove the battery. See "Removing the Battery" on page 16.
2 Remove the base cover. See "Removing the Base Cover" on page 26.
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 power-adapter port cable from the system-board connector.
2 Remove the screw that secures the power-adapter port to the computer base.
3 Lift the power-adapter port along with its cable away from the computer base.
1 screw 2 power-adapter port cable
1
2
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