Dell Precision 7520

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Installing the WLAN Card.......................................................................................................................................... 21

Solid State Drive — optional ..........................................................................................................................................21

Removing the M.2 Solid State Drive -SSD module................................................................................................ 21

Installing the M.2 SSD module................................................................................................................................. 22

Coin-cell battery...............................................................................................................................................................22

Removing the coin cell battery.................................................................................................................................22

Installing the coin cell battery................................................................................................................................... 23

Power connector port..................................................................................................................................................... 23

Removing the power connector port...................................................................................................................... 23

Installing the power connector port.........................................................................................................................24

Palm rest........................................................................................................................................................................... 24

Removing the palmrest............................................................................................................................................. 24

Installing the palmrest................................................................................................................................................26

Speaker............................................................................................................................................................................. 26

Removing the speakers ............................................................................................................................................26

Installing the speakers................................................................................................................................................27

Input-Output board.......................................................................................................................................................... 27

Removing the left Input-Output -IO board ............................................................................................................ 27

Installing the left IO board ........................................................................................................................................28

Removing the right Input-Output - IO board ........................................................................................................ 28

Installing the right IO board ..................................................................................................................................... 29

Heat sink .......................................................................................................................................................................... 30

Removing the heat sink assembly............................................................................................................................30

Installing the heat sink assembly..............................................................................................................................30

Graphics card.................................................................................................................................................................... 31

Removing the graphic card........................................................................................................................................31

Installing the graphic card..........................................................................................................................................31

System board....................................................................................................................................................................32

Removing the system board.....................................................................................................................................32

Installing the system board....................................................................................................................................... 33

Fingerprint reader............................................................................................................................................................ 34

Removing the ngerprint reader..............................................................................................................................34

Installing the ngerprint reader................................................................................................................................ 35

Touchpad...........................................................................................................................................................................36

Removing the touchpad ...........................................................................................................................................36

Installing the touchpad.............................................................................................................................................. 36

Display assembly...............................................................................................................................................................37

Removing the display assembly................................................................................................................................37

Installing the display assembly..................................................................................................................................38

Power switch board.........................................................................................................................................................39

Removing the power switch board..........................................................................................................................39

Installing the power switch board............................................................................................................................ 40

ExpressCard Reader........................................................................................................................................................ 40

Removing the expresscard....................................................................................................................................... 40

Installing the expresscard...........................................................................................................................................41

USB board......................................................................................................................................................................... 41

Removing the USB board......................................................................................................................................... 42

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Dell Precision 7520 - Page 4

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