Dell Vostro 7620 Service Manual - Page 56

System board, Removing the system board

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Next steps 1. Install the power-button board. 2. Install the heat sink. 3. Install the left fan. 4. Install the base cover. 5. Follow the procedure in After working inside your computer. System board Removing the system board Prerequisites 1. Follow the procedure in Before working inside your computer. NOTE: Ensure that your computer is in Service Mode. For more information see, step 6 in Before working inside your computer. 2. Remove the base cover. 3. Remove the memory module. 4. Remove the M.2 2230 solid-state drive or M.2 2280 solid-state drive, whichever applicable. 5. Remove the wireless card. 6. Remove the heat sink. 7. Remove the right fan. About this task The following image indicates the connectors on your system board. 1. Speaker (tweeters) cable connector 2. Power-cable connector 3. Display-cable connector 4. Right fan cable connector 5. Keyboard-cable connector 6. Keyboard-backlight cable connector 56 Removing and installing components

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Next steps
1.
Install the
power-button board
.
2.
Install the
heat sink
.
3.
Install the
left fan
.
4.
Install the
base cover
.
5.
Follow the procedure in
After working inside your computer
.
System board
Removing the system board
Prerequisites
1.
Follow the procedure in
Before working inside your computer
.
NOTE:
Ensure that your computer is in Service Mode. For more information see, step 6 in
Before working inside your
computer
.
2.
Remove the
base cover
.
3.
Remove the
memory module
.
4.
Remove the
M.2 2230 solid-state drive
or
M.2 2280 solid-state drive
, whichever applicable.
5.
Remove the
wireless card
.
6.
Remove the
heat sink
.
7.
Remove the
right fan.
About this task
The following image indicates the connectors on your system board.
1.
Speaker (tweeters) cable connector
2.
Power-cable connector
3.
Display-cable connector
4.
Right fan cable connector
5.
Keyboard-cable connector
6.
Keyboard-backlight cable connector
56
Removing and installing components