
Reverse this procedure to install the heat sink.
Processor
NOTE: The processor spare part kit includes replacement thermal material.
Description Spare part number
Intel Celeron B840 1.90-GHz processor (1333-MHz FSB, 2.0-MB L3 cache, 35 W; includes
replacement thermal material)
664663-001
Before removing the processor, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 29), and then remove the following components:
a. Service cover (see
Service cover on page 30)
b. Solid-state drive (see
Solid-state drive on page 32)
c.
Optical drive (see
Optical drive on page 31)
d. WLAN module (see
WLAN module on page 37)
e. Fan (see
Fan on page 39)
f. Keyboard (see
Keyboard on page 40)
g. Base enclosure (see
Base enclosure on page 43)
58 Chapter 4 Removal and replacement procedures