4–42 Maintenance and Service Guide
Removal and replacement procedures
Processor
✎
The processor spare part kit includes replacement 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 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 4-6)
5. Remove the following components:
a. Hard drive (see “Hard drive” on page 4-14)
b. Optical drive (see “Optical drive” on page 4-9)
c. Switch cover and keyboard (see “Switch cover and keyboard” on page 4-18)
d. Display assembly (see “Display assembly” on page 4-24)
e. Top cover (see “Top cover” on page 4-30)
f. USB board (see “USB board” on page 4-35)
g. System board (see “System board” on page 4-37)
h. Fan/heat sink assembly (see “Fan/heat sink assembly” on page 4-40)
Remove the processor:
1. Use a flat-bladed screwdriver to turn the processor locking screw 1 one-half turn counterclockwise until you
hear a click.
2. Lift the processor 2 straight up and remove it.
✎
When you install the processor, the gold triangle 3 on the processor must be aligned with the triangle icon 4
embossed on the processor socket.
Description Spare part number
Intel® Core™ 2 Quad processors (12-MB L2 cache, 1066-MHz FSB)
i7-820-QM, 1.73 GHz, SC turbo up to 3.06 GHz 583053-001
i7-720-QM, 1.6 GHz, SC turbo up to 2.8 GHz 586170-001
