NOTICE: Hard drives are extremely fragile. Exercise care when handling the hard drive.

NOTE: Dell does not guarantee compatibility or provide support for hard drives from sources other than Dell.

NOTE: If you are installing a hard drive from a source other than Dell, you need to install an operating system, drivers, and utilities on the new hard drive (see "Restoring Your Operating System" on page 133 and "Reinstalling Drivers and Utilities" on page 130).

Removing the Hard Drive

1Follow the procedures in "Before You Begin" on page 137.

2Turn the computer over.

3Loosen the two captive screws and remove the cover on the hard drive bay.

1

2

1

captive screws (2)

2

hard drive cover

NOTICE: When the hard drive is not in the computer, store it in protective antistatic packaging (see "Protecting Against Electrostatic Discharge" in the Product Information Guide).

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Adding and Replacing Parts

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Dell DT549, PP22X owner manual Removing the Hard Drive, 140