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Dell OptiPlex 5490 All-In-One - Middle Frame; Removing the Middle Frame

Dell OptiPlex 5490 All-In-One
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5. Install the speakers.
6. Install the rear-I/O bracket.
7. Install the bottom cover.
8. Install the hard drive.
9. Install the system-board shield.
10. Install the back cover.
11. Install the cable cover (optional).
12. Install the stand.
13. Follow the procedure in After working inside your computer.
Middle frame
Removing the middle frame
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the stand.
3. Remove the cable cover (optional).
4. Remove the back cover.
5. Remove the system-board shield.
6. Remove the hard drive.
7. Remove the wireless card.
8. Remove the bottom cover.
9. Remove the rear-I/O bracket.
10. Remove the speakers.
11. Remove the camera assembly.
12. Remove the system board.
13. Remove the power-button board.
14. Remove the microphones.
15. Remove the PSU.
16. Remove the PSU fan.
17. Remove the side-I/O board.
18. Remove the antenna modules.
19. Remove the display panel.
About this task
The following image indicates the location of the middle frame and provides a visual representation of the middle frame removal
procedure.
Removing and installing components
129

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