HP EliteBook 8570w HP EliteBook 8570w Mobile Workstation Maintenance and Servi - Page 97

Fan and heat sink assembly - video card

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Fan and heat sink assembly Description Fan and heat sink assembly for use in computers with AMD FirePro M4000 graphics cards Fan and heat sink assembly for use in computers with NVIDIA Quadro K2000M graphics cards Fan and heat sink assembly for use in computers with NVIDIA Quadro K1000M graphics cards Spare part number 690628-001 690630-001 690629-001 Before removing the fan and heat sink assembly, follow these steps: IMPORTANT: Make special note of each screw and screw lock size and location during removal and replacement. 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 unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 46). 5. Remove the service door (see Service door on page 52). 6. Remove the following components: a. Hard drive (see Hard drive on page 63). b. Upgrade bay device (see Upgrade bay device on page 68). c. Keyboard (see Keyboard on page 72). d. Top cover (see Top cover on page 76). Remove the fan and heat sink assembly: 1. Position the computer right-side up, with the front toward you. 2. Disconnect the fan cable (1) from the system board. 3. Loosen the eight captive screws (2) that secure the video card heat sink to the base enclosure following the sequence embossed in the heat sinks. Component replacement procedures 89

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Fan and heat sink assembly
Description
Spare part number
Fan and heat sink assembly for use in computers with AMD FirePro M4000 graphics cards
690628-001
Fan and heat sink assembly for use in computers with NVIDIA Quadro K2000M graphics cards
690630-001
Fan and heat sink assembly for use in computers with NVIDIA Quadro K1000M graphics cards
690629-001
Before removing the fan and heat sink assembly, follow these steps:
IMPORTANT:
Make special note of each screw and screw lock size and location during removal
and replacement.
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 unplugging the AC adapter from the computer.
4.
Remove the battery (see
Battery
on page
46
).
5.
Remove the service door (see
Service door
on page
52
).
6.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
63
).
b.
Upgrade bay device (see
Upgrade bay device
on page
68
).
c.
Keyboard (see
Keyboard
on page
72
).
d.
Top cover (see
Top cover
on page
76
).
Remove the fan and heat sink assembly:
1.
Position the computer right-side up, with the front toward you.
2.
Disconnect the fan cable
(1)
from the system board.
3.
Loosen the eight captive screws
(2)
that secure the video card heat sink to the base enclosure
following the sequence embossed in the heat sinks.
Component replacement procedures
89