Side Cover; Removing The Side Cover - Dell OptiPlex 7090 Service Manual

2. Intrusion switch
3. SD-card reader
4. Processor fan and heat-sink assembly
5. Processor
6. Memory module
7. 2.5-inch hard-drive
8. 2.5/3.5-inch hard-drive caddy
NOTE: The caddy can hold one 2.5 inch and 3.5-inch hard drives on both sides.
9. Hard-drive and Optical-drive bracket
10. Optical Drive
11. Front bezel
12. Chassis
13. System board
14. Chassis fan
15. Power Supply Unit
16. Powered Graphical processing unit
17. M.2 WLAN
18. Speaker
NOTE: Dell provides a list of components and their part numbers for the original system configuration purchased. These
parts are available according to warranty coverages purchased by the customer. Contact your Dell sales representative for
purchase options.

Side cover

Removing the side cover

Prerequisites
1. Follow the procedure in
NOTE: Ensure that you remove the security cable from the security-cable slot (if applicable).
About this task
The following images how the side covers and provide a visual representation of the removal procedure.
12 Removing and installing components
before working inside your computer.