HP Pavilion Hdx9575la Entertainment Notebook Pc Service Guide

Processor heat sink
DescriptionSpare part number
Processor heat sink (includes replacement thermal material) 448175-001
Before removing the processor heat sink, 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...

4.Remove the processor heat sink (3).
NOTE:Due to the adhesive quality of the thermal material located between the processor heat sink
and system board components, it may be necessary to move the processor heat sink from side to
side to detach it.
NOTE:The thermal material must be thoroughly cleaned from the surfaces of the processor heat
sink (1) and the system board (2) each time the processor heat sink is removed. Thermal material
must be installed on all surfaces before the processor heat sink is...

Processor
NOTE:All processor spare part kits include replacement thermal material.
DesriptionSpare part number
Intel Core 2 Extreme processors (4-MB L2 cache, 800-MHz FSB, 44-W):
X7900 2.8-GHz processor
453908-001
X7800 2.6-GHz processor455738-001 and
452327-001
Intel Core 2 Duo processors (4-MB L2 cache, 800-MHz FSB, 35-W):
T7700 2.4-GHz processor
448148-001
T7500 2.2-GHz processor448147-001
T7300 2.0-GHz processor448146-001
T7100 1.8-GHz processor448149-001
Before removing the processor, follow these...

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 slot when you install the processor.
Reverse this procedure to install the processor.
86 Chapter 4   Removal and replacement procedures 

Video board heat sink
DescriptionSpare part number
Video board heat sink (includes replacement thermal material) 448176-001
Before removing the video board heat sink, 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...

4.Remove the video board heat sink (4).
NOTE:Due to the adhesive quality of the thermal material located between the video board heat
sink and system board components, it may be necessary to move the video board heat sink from
side to side to detach it.
NOTE:The thermal material must be thoroughly cleaned from the surfaces of the video board
components (1) and the video board heat sink (2) each time the video board heat sink is removed.
Thermal material must be installed on all surfaces before the video...

Video board fan
DescriptionSpare part number
Video board fan448163-001
NOTE:To properly ventilate the computer, allow at least a 7.6-cm (3-inch) clearance on the left and
right sides and rear panel of the computer. The computer uses two electric fans for ventilation. The fans
are controlled by a temperature sensor and are designed to turn on automatically when high temperature
conditions exist. These conditions are affected by high external temperatures, system power consumption,
power management/battery...

3.Remove the video board fan (2).
Reverse this procedure to install the video board fan.
Video board
DescriptionSpare part number
nVidia video board (includes replacement thermal material) 454311-001
Before removing the video board fan, 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...

h.System board (see System board on page 76)
i.Video board heat sink (see 
Video board heat sink on page 87)
Remove the video board:
1.Remove the two Phillips PM2.5×4.0 screws (1) that secure the video board to the system board.
2.Lift the right side of the video board (2) until it rests at an angle.
3.Remove the video board (3) by pulling it away from the video board slot at an angle.
NOTE:Video boards are designed with a notch (4) to prevent incorrect installation into the video
board slot.
Reverse...

5
Computer Setup
Starting Computer Setup
Computer Setup is a ROM-based information and customization utility that can be used even when the
Windows operating system is not working or will not load.
NOTE:The fingerprint reader does not work when accessing Computer Setup.
The utility reports information about the computer and provides settings for startup, security, and other
preferences.
To start Computer Setup:
1.Turn on or restart the computer.
2.Before Windows opens and while F10 = ROM Based Setup is...