Hard Drive; Removing A Hard Drive - Dell OptiPlex 755 User Manual

1 power cable
2 slot verification number
6. Replace the optical drive (see
7. Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents.
8. Replace the computer cover (see
9. Verify that your computer works correctly by running the Dell Diagnostics (see

Hard Drive

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the computer cover.
NOTICE: To avoid damage to the drive, do not set it on a hard surface. Instead, set the drive on a surface, such as a foam pad, that will sufficiently
cushion it.

Removing a Hard Drive

1. If you are replacing a hard drive that contains data you want to keep, back up your files before you begin this procedure.
2. Check the documentation for the drive to verify that it is configured for your computer.
3. Follow the procedures in Before You
4. Remove the computer cover (see
NOTE: Since the following steps do not require the complete removal of the optical drive and the floppy drive, it is not necessary to disconnect the
cables connecting the two drives.
5. Remove the optical drive from the bay and carefully set it aside (see
6. Remove the floppy drive from the 3.5-inch bay and carefully set it aside (see
7. Press in on the two plastic securing clips on each side of the drive and slide the drive towards the back of the computer.
NOTICE: Do not pull the drive out of the computer by the drive cables. Doing so may cause damage to cables and the cable connectors.
8. Lift the drive out of the computer and disconnect the power and data cables from the drive.
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Replacing the Computer Cover).
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Removing the Computer Cover).
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Floppy Drive).