Dell Precision 7720 - Page 4

Coin-cell battery.................................................................................................................................................................. 23
Removing the coin cell battery.................................................................................................................................... 23
Installing the coin cell battery.......................................................................................................................................24
Power connector port.........................................................................................................................................................24
Removing the power connector port..........................................................................................................................24
Installing the power connector port............................................................................................................................25
Palm rest...............................................................................................................................................................................25
Removing the palmrest.................................................................................................................................................25
Installing the palmrest................................................................................................................................................... 26
Fingerprint reader................................................................................................................................................................ 27
Removing the fingerprint reader..................................................................................................................................27
Installing the fingerprint reader....................................................................................................................................28
Power switch board............................................................................................................................................................ 28
Removing the power switch board............................................................................................................................. 28
Installing the power switch board................................................................................................................................29
ExpressCard Reader........................................................................................................................................................... 30
Removing the expresscard...........................................................................................................................................30
Installing the expresscard............................................................................................................................................. 30
USB board............................................................................................................................................................................. 31
Removing the USB board..............................................................................................................................................31
Installing the USB board................................................................................................................................................ 31
Input-Output board............................................................................................................................................................. 32
Removing the left Input-Output -IO board ............................................................................................................... 32
Installing the left IO board ........................................................................................................................................... 32
Removing the right Input-Output - IO board ............................................................................................................33
Installing the right IO board ......................................................................................................................................... 33
Heat sink ..............................................................................................................................................................................34
Removing the heat sink assembly............................................................................................................................... 34
Installing the heat sink assembly..................................................................................................................................34
Graphics card.......................................................................................................................................................................35
Removing the graphic card.......................................................................................................................................... 35
Installing the graphic card.............................................................................................................................................35
System board.......................................................................................................................................................................36
Removing the system board........................................................................................................................................ 36
Installing the system board...........................................................................................................................................37
LED board.............................................................................................................................................................................38
Removing the LED board..............................................................................................................................................38
Installing the LED board................................................................................................................................................39
Speaker.................................................................................................................................................................................39
Removing the speakers ........................................................................................................................................... 39
Installing the speakers...................................................................................................................................................40
Display assembly..................................................................................................................................................................40
Removing the display assembly................................................................................................................................... 40
Installing the display assembly......................................................................................................................................42
Display bezel.........................................................................................................................................................................42
Removing the display bezel.......................................................................................................................................... 42
Installing the display bezel............................................................................................................................................ 43
Display panel.........................................................................................................................................................................43
Removing the display panel..........................................................................................................................................43
Installing the display panel............................................................................................................................................ 45
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