Prerequisites - 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.
CAUTION: Removing the coin-cell battery resets the BIOS settings to default.
It is recommended that you note the BIOS settings before removing
the coin-cell battery.
Prerequisites
1
Remove the battery. "Removing the Battery" on page 16.
2
Remove the base cover. "Removing the Base Cover" on page 26.
3
Remove the memory module(s). "Removing the Memory Module(s)" on page 30.
4
Follow the instructions from step 1 to step 4 in "Removing the Hard Drive" on
page 34.
5
Follow the instructions from step 1 to step 2 in "Removing the Optical Drive" on
page 40.
6
Remove the keyboard. See "Removing the Keyboard" on page 20.
7
Remove the palm rest. See "Removing the Palm Rest" on page 44.
8
Remove the fan. See "Removing the Fan" on page 62.
9
Remove the speakers. See "Removing the Speakers" on page 66.
10
Follow the instructions from step 1 to step 3 in "Removing the System Board" on
page 98.
Removing the Coin-Cell Battery
Removing the Coin-Cell Battery
58
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