Northbridge chip heat plate
Description Spare part number
Northbridge chip heat plate 652685-001
Before removing the Northbridge chip heat plate, 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 unplugging the AC adapter from the computer.
4. Remove the battery (see
Battery on page 48).
5. Remove the service access cover (see
Service access cover on page 50).
6. Remove the following components:
a. Hard drive (see
Hard drive on page 60)
b. Optical drive (see
Optical drive on page 65)
c. Keyboard (see
Keyboard on page 67)
d. Top cover (see
Top cover on page 71)
Remove the Northbridge chip heat plate:
1. Position the computer right-side up, with the front toward you.
2. Remove the two Phillips M2.5×3.0 screws (1) that secure the Northbridge chip heat plate to the
system board.
Component replacement procedures 101
