Dell Precision 490 - Manual (Page 76)

7. If you are not installing another drive in the drive bay and metal shields are present in your computer (see About the Metal Shields Present in Some
Drive Configurations ), reinstall the vented metal insert over the FlexBay and the empty space beneath it:
a. Insert the metal insert's two upper screws and its two lower screws into the corresponding slots inside the FlexBay.
b. Push the vented metal insert until it clicks into place and its metal tabs rest flush against the chassis surface.
Then, install a drive-panel insert (see Replacing a Drive-Panel Insert ).
8. If you are installing another drive in the FlexBay, see the appropriate installation instructions in this section.
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 Media Card Reader (Tower Computer)
1. Follow the procedures in Before You Begin .
2. Remove the computer cover (see Removing the Computer Cover ).
3. Remove the drive panel (see Removing the Drive Panel ).
4. If another device is installed in the FlexBay, remove that device (see the appropriate removal instructions in this section).
5. If metal shields are present in your computer (see About the Metal Shields Present in Some Drive Configurations ) and the FlexBay is not populated, slide
the sliding-plate lever to the right and hold it in place as you pull to remove the vented metal insert from the FlexBay.
6. Remove the FlexBay drive-panel insert (see Removing a Drive-Panel Insert ).
7. If no screws are attached to the Media Card Reader check the inside of the drive-panel insert for screws and attach them to the new Media Card
Reader.
1 sliding-plate lever
2 Media Card Reader
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.
NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into the computer.
NOTICE: In a tower configuration with 3 hard drives, a Media Card Reader is not supported, since the third hard drive must be installed in the FlexBay.
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.