Dell Vostro 3555 (Mid 2011) - Manual (Page 26)

Installing The Hard Drive
1. Replace the screws to secure the hard-drive bracket to the hard drive.
2. Place the hard drive on the chassis.
3. Replace the screws to secure the hard drive to the system.
4. Install the
access panel .
5. Install the battery .
6. Follow the procedures in After Working Inside Your Computer .
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