Procedure; Postrequisites - Dell Inspiron M421R Owner's Manual
Owner's manual
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Also See for Inspiron M421R:
- Quick start manual (2 pages) ,
- Specifications (1 page) ,
- Manual (168 pages)
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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.
WARNING: The battery may explode if installed incorrectly. Replace the battery
only with the same or equivalent type. Discard used batteries according to the
manufacturer's instructions.
Procedure
With the positive-side facing up, snap the coin-cell battery into the battery socket on the
system board.
Postrequisites
1
Follow the instructions from step 4 to step 7 in "Replacing the System Board" on
page 102.
2
Replace the fan. See "Replacing the Fan" on page 64.
3
Replace the speakers. See "Replacing the Speakers" on page 68.
4
Follow the instructions from step 5 to step 8 in "Replacing the Hard Drive" on
page 38.
5
Follow the instructions from step 4 to step 5 in "Replacing the Optical Drive" on
page 42.
6
Replace the memory module(s). See "Replacing the Memory Module(s)" on page 32.
7
Replace the palm rest. See "Replacing the Palm Rest" on page 48.
8
Replace the keyboard. "Replacing the Keyboard" on page 24.
9
Replace the base cover. "Replacing the Base Cover" on page 28.
10
Replace the battery. "Replacing the Battery" on page 18.
11
Follow the instructions in "After Working Inside Your Computer" on page 10.
Replacing the Coin-Cell Battery
Replacing the Coin-Cell Battery
60
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