Dell G16 7620 Service Manual page 4

Removing the power-adapter port......................................................................................................................... 36
Installing the power-adapter port............................................................................................................................37
System board..................................................................................................................................................................... 38
Removing the system board (NVIDIA GeForce RTX 3060/3070/3070 Ti graphics card)....................... 38
Installing the system board (NVIDIA GeForce RTX 3060/3070/3070 Ti graphics card).......................... 41
Removing the system board (NVIDIA GeForce RTX 3050 Ti graphics card)...............................................43
Installing the system board (NVIDIA GeForce RTX 3050 Ti graphics card).................................................45
Fan and heat-sink assembly............................................................................................................................................47
Removing the fan and heat-sink assembly (NVIDIA GeForce RTX 3060/3070/3070 Ti graphics
card)........................................................................................................................................................................... 47
Installing the fan and heat-sink assembly (NVIDIA GeForce RTX 3060/3070/3070 Ti graphics
card)........................................................................................................................................................................... 48
Removing the fan and heat-sink assembly (NVIDIA GeForce RTX 3050 Ti graphics card)..................... 49
Installing the fan and heat-sink assembly (NVIDIA GeForce RTX 3050 Ti graphics card)........................ 51
USB board........................................................................................................................................................................... 52
Removing the USB board.......................................................................................................................................... 52
Installing the USB board............................................................................................................................................ 53
Ethernet and audio board................................................................................................................................................53
Removing the ethernet and audio board............................................................................................................... 53
Installing the ethernet and audio board................................................................................................................. 54
Power button..................................................................................................................................................................... 55
Removing the power button.....................................................................................................................................55
Installing the power button....................................................................................................................................... 56
Palm-rest and keyboard assembly.................................................................................................................................57
Removing the palm-rest and keyboard assembly................................................................................................ 57
Installing the palm-rest and keyboard assembly.................................................................................................. 58
Chapter 3: Drivers and downloads............................................................................................... 60
Chapter 4: System setup............................................................................................................. 61
Entering BIOS setup program......................................................................................................................................... 61
Navigation keys.................................................................................................................................................................. 61
Boot Sequence................................................................................................................................................................... 61
One time boot menu......................................................................................................................................................... 62
System setup options.......................................................................................................................................................62
System and setup password...........................................................................................................................................70
Assigning a system setup password....................................................................................................................... 70
Deleting or changing an existing system setup password..................................................................................71
Clearing CMOS settings............................................................................................................................................. 71
Clearing BIOS (System Setup) and System passwords......................................................................................71
Updating the BIOS............................................................................................................................................................ 72
Updating the BIOS in Windows................................................................................................................................ 72
Updating the BIOS using the USB drive in Windows..........................................................................................72
Updating the BIOS from the F12 One-Time boot menu.....................................................................................72
Chapter 5: Troubleshooting......................................................................................................... 74
Handling swollen Lithium-ion batteries........................................................................................................................ 74
Locate the Service Tag or Express Service Code of your Dell computer ..............................................74
System diagnostic lights.................................................................................................................................................. 75
SupportAssist diagnostics............................................................................................................................................... 76
4 Contents