Dell OptiPlex 7490 All-In-One - Display panel; Removing the display panel

Steps
1. Align and place the antenna modules in the slots on the middle frame.
2. Adhere the copper foil that secures the antenna cables to the middle frame.
3. Replace the two screws (M2x2.5) to secure the antenna modules to the middle frame.
4. Route the antenna cables through the routing guides on the display-assembly base.
Next steps
1. Install the speakers.
2. Install the rear-I/O bracket.
3. Install the bottom cover.
4. Install the wireless card.
5. Install the system-board shield.
6. Install the back cover.
7. Install the cable cover (optional).
8. Install the stand.
9. Follow the procedure in After working inside your computer.
Display panel
Removing the display panel
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 bottom cover.
8. Remove the rear-I/O bracket.
9. Remove the speakers.
10. Remove the camera assembly.
Removing and installing components
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