Dell Inspiron 16 5640 Owners Manual - Page 60

Removing the heat sink - for computers shipped with a discrete graphics card

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Removing the heat sink - for computers shipped with a discrete graphics card 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 base cover. About this task The following image indicates the location of the heat sink and provides a visual representation of the removal procedure. Figure 34. Removing the heat sink - for computers shipped with a discrete graphics card WARNING: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it. CAUTION: Do not touch the thermal grease and thermal pad as it can reduce the thermal performance. Steps 1. Loosen the four captive screws and remove the three (M2x3.5) screws that secure the heat sink to the system board in this sequence: 7 → 6 → 5 → 4 → 3 → 2 → 1. NOTE: Screws: Number 4-7 are captive and 1-3 are removable. 2. Lift the heat sink off the system board. 60 Removing and installing Field Replaceable Units (FRUs)

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Removing the heat sink - for computers shipped with a discrete
graphics card
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
base cover
.
About this task
The following image indicates the location of the heat sink and provides a visual representation of the removal procedure.
Figure 34. Removing the heat sink - for computers shipped with a discrete graphics card
WARNING:
The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to
cool before you touch it.
CAUTION:
Do not touch the thermal grease and thermal pad as it can reduce the thermal performance.
Steps
1.
Loosen the four captive screws and remove the three (M2x3.5) screws that secure the heat sink to the system board in this
sequence: 7 → 6 → 5 → 4 → 3 → 2 → 1.
NOTE:
Screws: Number 4-7 are captive and 1-3 are removable.
2.
Lift the heat sink off the system board.
60
Removing and installing Field Replaceable Units (FRUs)