Prerequisites - Dell Inspiron 14R 5420 Owner's Manual

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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 9. 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 17.
2 Remove the base cover. "Removing the Base Cover" on page 27.
3 Remove the memory module(s). "Removing the Memory Module(s)" on page 31.
4 Follow the instructions from step 1 to step 4 in "Removing the Hard Drive" on
page 35.
5 Follow the instructions from step 1 to step 2 in "Removing the Optical Drive" on
page 41.
6 Remove the keyboard. See "Removing the Keyboard" on page 21.
7 Remove the palm rest. See "Removing the Palm Rest" on page 45.
8 Remove the fan. See "Removing the Fan" on page 63.
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Remove the speakers. See "Removing the Speakers" on page 67.
10 Follow the instructions from step 1 to step 3 in "Removing the System Board" on
page 99.
Removing the Coin-Cell Battery
Removing the Coin-Cell Battery
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