Dell Dimension 2400 - Manual (Page 12)

10. Gently slide the drive into place.
11. Once the drive is in place, apply pressure to ensure that the drive is fully seated.
12. Use the securing screw that came with the drive to attach the drive to the computer.
13. Connect the power cable to the system board.
14. Locate the data cable from the CD or DVD drive in the upper drive bay and connect its middle data connector to the new drive.
15. Check all cable connections, and then fold the cables out of the way to provide airflow for the fan and cooling vents.
16. Reattach the front panel .
17. Replace the computer cover .
18. Connect your computer and devices to electrical outlets, and then turn them on.
See the documentation that came with the drive for instructions on installing any software required for drive operation.
Replacing a Hard Drive
1. Shut down the computer through the Start menu.
2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut
down your computer, turn them off now.
CAUTION: Match the colored strip on the cable with pin 1 on the drive (pin 1 is marked as "1").
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual or Product Information
Guide.
CAUTION: To avoid damage to the drive, do not set it on a hard surface. Instead, set the drive on a soft surface, such as a foam pad, that will
sufficiently cushion it.