Dell Precision 490 - Manual (Page 83)

7. If you are not installing another drive in the CD/DVD drive bay and metal shields are present in your computer (see About the Metal Shields Present in
Some Drive Configurations ):
a. Install the 5.25-inch metal shield in its place; align its screws in the metal rails and push the shield back until it clicks into place.
b. Install a drive-panel insert over its drive bay (see Replacing a Drive-Panel Insert ).
8. If you are installing another drive in the CD/DVD drive bay, see Installing a CD/DVD Drive (Tower Computer) .
9. Reinstall the drive panel (see Replacing the Drive Panel ).
10. Ensure that all connectors are properly cabled and firmly seated.
11. Replace the computer cover (see Replacing the Computer Cover ).
12. Connect the computer and devices to electrical outlets, and turn them on.
Installing a CD/DVD Drive (Tower Computer)
1. Follow the procedures in Before You Begin .
2. If you are installing a new drive, unpack the drive and prepare it for installation.
Check the documentation that accompanied the drive to verify that the drive is configured for your computer. If you are installing an IDE drive, configure
the drive for the cable select setting.
3. Remove the computer cover (see Removing the Computer Cover ).
4. Remove the drive panel (see Removing the Drive Panel ).
5. If another device is installed in the CD/DVD drive bay, remove that device (see Removing a CD/DVD Drive (Tower Computer) ).
6. If the CD/DVD drive bay is unpopulated and metal shields are present in your computer (see About the Metal Shields Present in Some Drive
Configurations ): slide the sliding plate lever to the right and hold it in place as you pull to remove the 5.25-inch metal shield.
7. Remove the drive-panel insert (see Removing a Drive-Panel Insert ).
1 sliding-plate lever
2 CD/DVD drive
NOTICE: If metal shields are present in your computer configuration, they must be installed at all times while your computer is in use or your computer
may not function properly.
NOTE: A metal shield for the CD/DVD drive bay can be ordered from Dell. See Contacting Dell .
NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into the computer.
NOTICE: If metal shields are present in your computer configuration, they must be installed at all times while your computer is in use or your computer
may not function properly.