Dell Precision 7780 User Manual

Installing the secondary M.2 SSD module............................................................................................................. 46
Heat sink............................................................................................................................................................................. 50
Removing the heat sink for discrete graphics......................................................................................................50
Installing the heat sink for discrete graphics.........................................................................................................51
GPU card.............................................................................................................................................................................52
Removing the GPU card............................................................................................................................................ 52
Installing the GPU card.............................................................................................................................................. 53
GPU power cable.............................................................................................................................................................. 54
Removing the GPU power cable..............................................................................................................................54
Installing the GPU power cable................................................................................................................................55
Power button board......................................................................................................................................................... 55
Removing the power button board.........................................................................................................................55
Installing the power button board........................................................................................................................... 56
Power button..................................................................................................................................................................... 58
Removing the power button.....................................................................................................................................58
Installing the power button.......................................................................................................................................58
Speakers..............................................................................................................................................................................59
Removing the speakers..............................................................................................................................................59
Installing the speakers................................................................................................................................................60
Inner frame..........................................................................................................................................................................62
Removing the inner frame.........................................................................................................................................62
Installing the inner frame........................................................................................................................................... 63
SD card reader...................................................................................................................................................................65
Removing SD card reader......................................................................................................................................... 65
Installing SD card reader............................................................................................................................................66
SD card reader FPC..........................................................................................................................................................66
Removing SD card reader FPC................................................................................................................................ 66
Installing SD card reader FPC...................................................................................................................................67
System board..................................................................................................................................................................... 68
Removing the system board..................................................................................................................................... 68
Installing the system board....................................................................................................................................... 72
Coin-cell battery................................................................................................................................................................ 74
Removing the coin-cell battery................................................................................................................................ 74
Installing the coin-cell battery.................................................................................................................................. 75
Display assembly................................................................................................................................................................76
Removing the display assembly................................................................................................................................76
Installing the display assembly..................................................................................................................................79
Power-adapter port...........................................................................................................................................................81
Removing the power-adapter port.......................................................................................................................... 81
Installing the power-adapter port............................................................................................................................82
Smart-card reader.............................................................................................................................................................83
Removing the smart-card reader............................................................................................................................ 83
Installing the smart-card reader...............................................................................................................................84
Keyboard............................................................................................................................................................................. 85
Removing the keyboard............................................................................................................................................. 85
Installing the keyboard............................................................................................................................................... 88
Palm rest.............................................................................................................................................................................. 91
Removing the palm rest..............................................................................................................................................91
Installing the palm rest............................................................................................................................................... 92
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Contents

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