HP Pavilion Dv3 2100 Entertainment Notebook Pc Series Manual

4–46Maintenance and Service Guide
Removal and replacement procedures
Power connector and cable
Before removing the power connector and cable, follow these steps: 
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, 
and then shut it down through the operating system. 
2. Disconnect all external devices connected to the computer. 
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then...

Removal and replacement procedures
Maintenance and Service Guide4–47
System board
✎The system board spare part kit includes replacement thermal material.
Before removing the system board, follow these steps: 
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, 
and then shut it down through the operating system. 
2. Disconnect all external devices connected to the computer. 
3. Disconnect the power from the computer by first unplugging the...

4–48Maintenance and Service Guide
Removal and replacement procedures
Remove the system board:
1. Disconnect the following cables from the system board:
1 LED board cable
2 Bluetooth module cable
3 Audio board cable
2. Remove the two Phillips PM2.0×4.0 screws that secure the system board to the base enclosure. 

Removal and replacement procedures
Maintenance and Service Guide4–49
3. Use the optical drive connector 1 to lift the left side of the system board 2 until it rests at an angle. 
4. Remove the system board from the base enclosure by pulling it away at an angle 3. 
Reverse this procedure to install the system board.  

4–50Maintenance and Service Guide
Removal and replacement procedures
Fan/heat sink assembly
✎The fan/heat sink assembly spare part kit includes replacement thermal material.
✎To properly ventilate the computer, allow at least a 7.6-cm (3-inch) clearance on the left side of the computer. 
The computer uses an electric fan for ventilation. The fan is controlled by a temperature sensor and is designed 
to turn on automatically when high temperature conditions exist. These conditions are affected by high...

Removal and replacement procedures
Maintenance and Service Guide4–51
Remove the fan/heat sink assembly:
1. Turn the system board upside down with the front toward you.
✎Steps 2 and 3 apply to computer models equipped with graphics subsystems with discrete memory. See steps 4 
and 5 for instructions on removing the fan/heat sink assembly on computer models equipped with graphics 
subsystems with UMA memory.
2. Loosen the four captive Phillips PM2.0×7.0 screws 1 that secure the fan/heat sink assembly to...

4–52Maintenance and Service Guide
Removal and replacement procedures
✎The thermal material must be thoroughly cleaned from the surfaces of the fan/heat sink assembly and the system 
board each time the fan/heat sink assembly is removed:
■Thermal paste is used on the processor 1 and the heat sink section 2 that services it.
■Thermal pads are used on the Northbridge chip 3 and the heat sink section 4 that services it.
■Thermal pads are used on the graphics subsystem memory module 5 and the heat sink...

Removal and replacement procedures
Maintenance and Service Guide4–53
✎Steps 4 and 5 apply to computer models equipped with graphics subsystems with UMA memory. See steps 2 
and 3 for instructions on removing the fan/heat sink assembly on computer models equipped with graphics 
subsystems with discrete memory.
4. Loosen the four captive Phillips PM2.0×7.0 screws 1 that secure the fan/heat sink assembly to the 
system board.
5. Remove the fan/heat sink assembly 2.
✎Due to the adhesive quality of the...

4–54Maintenance and Service Guide
Removal and replacement procedures
✎The thermal material must be thoroughly cleaned from the surfaces of the fan/heat sink assembly and the system 
board each time the fan/heat sink assembly is removed:
■Thermal paste is used on the processor 1 and the heat sink section 2 that services it.
■Thermal pads are used on the Northbridge chip 3 and the heat sink section 4 that services it.
■Thermal pads are used on the other system board components 5 and sections of the heat...

Removal and replacement procedures
Maintenance and Service Guide4–55
Processor
✎The processor spare part kit includes replacement thermal material.
Before removing the processor, follow these steps: 
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, 
and then shut it down through the operating system. 
2. Disconnect all external devices connected to the computer. 
3. Disconnect the power from the computer by first unplugging the power cord...