Dell Inspiron 27 7720 All-in-One Owners Manual - Page 74

Heat sink (discrete graphics), Removing the heat sink

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Steps 1. Align the screw holes on the heat sink with the screw holes on the system board and the display-assembly base. 2. In sequential order (1>2>3>4>5), tighten the five captive screws that secure the heat sink to the system board and display-assembly base. Next steps 1. Install the system-board shield. 2. Install the I/O cover. 3. Install the back cover. 4. Install the stand. 5. Follow the procedure in After working inside your computer. Heat sink (discrete graphics) Removing the heat sink CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the stand. 3. Remove the back cover. 4. Remove the I/O cover. 5. Remove the system-board shield. About this task The following image indicates the location of the heat sink and provides a visual representation of the removal procedure. 74 Removing and installing Field Replaceable Units (FRUs)

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Steps
1.
Align the screw holes on the heat sink with the screw holes on the system board and the display-assembly base.
2.
In sequential order (1>2>3>4>5), tighten the five captive screws that secure the heat sink to the system board and
display-assembly base.
Next steps
1.
Install the
system-board shield
.
2.
Install the
I/O cover
.
3.
Install the
back cover
.
4.
Install the
stand
.
5.
Follow the procedure in
After working inside your computer
.
Heat sink (discrete graphics)
Removing the heat sink
CAUTION:
The information in this section is intended for authorized service technicians only.
Prerequisites
1.
Follow the procedure in
Before working inside your computer
.
2.
Remove the
stand
.
3.
Remove the
back cover
.
4.
Remove the
I/O cover
.
5.
Remove the
system-board shield
.
About this task
The following image indicates the location of the heat sink and provides a visual representation of the removal procedure.
74
Removing and installing Field Replaceable Units (FRUs)