HP Pavilion Dv4 1200 Entertainment Notebook Pc Series Manual

2.Remove the cable from the base enclosure clips (2).
Reverse the preceding procedure to install the modem module cable.
Component replacement procedures 113 

Fan and heat sink
DescriptionSpare part number
Heat sink (includes thermal material) 
●For use in models with Intel processors UMA graphics subsystems486838-001
●For use in models with AMD processors and UMA graphics subsystems492260-001
Fan (includes thermal material) 486844-001
NOTE:To properly ventilate the computer, allow at least a 7.6-cm (3-inch) clearance on the right side
and rear panel of the computer. The computer uses an electric fan for ventilation. The fan is controlled
by a temperature...

3.Lift the fan up (2) to remove.
4.If it is necessary to replace the heat sink, select the section following that relates to the correct
system board.
Heat sink assembly for discrete graphics system
1.Loosen the four Phillips PM2.0×10.0 captive screws (1) that secure the heat sink assembly to the
system board.
NOTE:Due to the adhesive quality of the thermal material located between the fan/heat sink
assembly and system board components, it may be necessary to move the fan/heat sink assembly
from side to...

Reverse this procedure to install the fan/heat sink assembly.
Heat sink assembly for UMA graphics system
1.Loosen the four Phillips PM2.0×10.0 captive screws (1) that secure the heat sink assembly to the
system board.
NOTE:Due to the adhesive quality of the thermal material located between the fan/heat sink
assembly and system board components, it may be necessary to move the fan/heat sink assembly
from side to side to detach the assembly.
2.Remove the fan/heat sink assembly (2).
NOTE:Each time the fan...

Reverse this procedure to install the fan/heat sink assembly.
Component replacement procedures 117 

Processor
DescriptionSpare part number
Processors (include thermal material)
AMD processors:
 
●Athlon QL-64 (2.1 GHz, 1-MB L2 cache)506053-001
●Turion 64 ZM-86 (2.4 GHz, 2-MB L2 cache)487345-005
●Turion 64, ZM-84 (2.3 GHz, 2-MB L2 cache)497177-001
●Turion 64 ZM-82 (2.2 GHz, 2-MB L2 cache)487346-005
●Turion 64 ZM-80 (2.1 GHz, 2-MB L2 cache)487347-005
●Turion 64 RM-74 (2.2-GHz, 1-MB L2 cache)507979-001
●Turion 64 RM-72 (2.1 GHz, 1-MB L2 cache)497178-001
●Turion 64 RM-70 (2.0 GHz, 1-MB L2 cache)487348-006...

DescriptionSpare part number
●Celeron 575 (2.2 GHz, 1-MB L2 cache)502838-001
●Celeron T1600 (1.66 GHz, 2-MB L2 cache) 497773-001
NOTE:All processor spare part kits include 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...

2.Lift the processor (2) straight up and remove it.
NOTE:The gold triangle (3) on the processor must be aligned with the triangle icon (4) embossed
on the processor socket when you install the processor.
Reverse this procedure to install the processor.
120 Chapter 4   Removal and replacement procedures 

5 Setup Utility
WARNING!Only authorized technicians trained by HP must repair this equipment. All troubleshooting
and repair procedures are detailed to allow repair at only the subassembly or module level. Because of
the complexity of the individual boards and subassemblies, do not attempt to make repairs at the
component level or modify any printed wiring board. Improper repairs can create a safety hazard. Any
indication of component replacement or printed wiring board modification may void any warranty...

3.Use the arrow keys to select a language, and then press enter.
4.When a confirmation prompt with your language selected is displayed, press enter.
5.To save your change and exit the Setup Utility, use the arrow keys to select Exit > Exit Saving
Changes, and then press enter.
Your change goes into effect immediately.
Navigating and selecting in the Setup Utility
Because the Setup Utility is not Windows based, it does not support the TouchPad. Navigation and
selection are by keystroke.
●To choose a menu...