Dell Precision 7780 User Manual

Palm rest
Removing the palm rest
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the base cover.
3. Remove the SIM card.
4. Remove the battery.
5. Remove the CAMM module or memory module.
6. Remove the interposer board module.
7. Remove the WWAN card.
8. Remove the primary solid-state drive.
9. Remove the secondary solid-state drive.
10. Remove the heat-sink for discrete graphics.
11. Remove the GPU card.
12. Remove the GPU power cable.
13. Remove the power-button board.
14. Remove the power-button.
15. Remove the speakers.
16. Remove the inner frame.
17. Remove the SD card reader.
18. Remove the system board.
19. Remove the coin-cell battery.
20. Remove the display assembly.
21. Remove the power-adapter port.
22. Remove the smart card reader.
23. Remove the keyboard.
About this task
The figure below shows the palm rest after performing the pre-removal parts procedures for any palm rest replacement.
Removing and installing components
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Dell Precision 7780 Specifications

General

Processor	13th Gen Intel Core i9-13950HX
Graphics	NVIDIA RTX 5000 Ada Generation Laptop GPU
Display	Up to 17.3" UHD (3840x2160) IPS, 120Hz, 100% Adobe RGB, HDR400
Memory	Up to 128GB DDR5 4800MHz
Storage	Up to 8TB PCIe NVMe SSD
Operating System	Windows 11 Pro, Ubuntu Linux
Ports	HDMI 2.1, SD card reader, Audio jack
Wireless	Intel Wi-Fi 6E AX211, Bluetooth
Camera	Dual-array microphones