Dell Dimension 4400 - Manual (Page 18)

9. Attach the rails to the drive using the screws supplied with the drive.
Ensure that the rail tabs are positioned at the back of the drive.
10. Gently slide the drive into the bay until you hear a click.
11. Carefully replace the drive bay cover.
You do not need to replace the cover insert.
12. Connect a power cable to the drive.
See the documentation that came with the drive for instructions on connecting a drive cable to the drive.
13. Connect your computer and devices to their electrical outlets, and turn them on.
14. Install any drivers required for the drive as described in the documentation that came with the drive.
Replacing the Microprocessor
1. Shut down the computer .
2. Turn off any attached devices and disconnect them from their electrical outlets.
3. Disconnect the power cable from your computer, and then press the power button to ground the system board.
4. Open the computer cover .
5. Disconnect the cooling fan power cable from the CR3F1 connector on the system board.
HINT: Your computer uses cable-select drive cables. This means that the device connected to the end connector of the drive cable is the master device
and the device connected to the middle connector is the slave device. Be sure the jumper setting on the new device is set for "cable select" (see the
documentation that came with the drive for information).
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 " Safety Instructions ."
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.