HP EliteBook 8570w Specifications download pdf (Page 112)

Northbridge chip heat sink

Description Spare part number

Northbridge chip heat sink

NOTE: The Northbridge chip heat sink is included with the base enclosure assembly, spare part

number 698946-001.

Before removing the Northbridge chip heat sink, follow these steps:

IMPORTANT: Make special note of each screw and screw lock size and location during removal

and replacement.

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.

Disconnect all external devices connected to the computer.

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.

Remove the battery (see

Battery on page 46).

Remove the service door (see

Service door on page 52).

Remove the following components:

Hard drive (see

Hard drive on page 63).

Upgrade bay device (see

Upgrade bay device on page 68).

Keyboard (see

Keyboard on page 72).

Top cover (see

Top cover on page 76).

Remove the Northbridge chip heat sink:

Position the computer right-side up, with the front toward you.

Remove the two Phillips screws (1) that secure the Northbridge chip heat sink to the system board.

104 Chapter 4 Removal and replacement procedures

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HP EliteBook 8570w Specifications Page 112