Prerequisites - Dell Inspiron M421R 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 8. For additional safety best practices information, see the Regulatory
Compliance Homepage at dell.com/regulatory_compliance.
CAUTION: To avoid data loss, do not remove the hard drive while the computer is
On or in Sleep state.
CAUTION: Hard drives are extremely fragile. Exercise care when handling the
hard drive.

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.
Removing the Hard Drive
Removing the Hard Drive
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