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4–54 Maintenance and Service Guide
Removal and replacement procedures
Processor
✎
All processor spare part kits include 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 4-7).
5. Remove the following components:
a. Primary and secondary hard drive covers (see
“Hard drive covers” on page 4-9)
b. Primary and secondary hard drives (see
“Hard drive” on page 4-12)
c. Optical drive (see
“Optical drive” on page 4-8)
d. Memory module (see
“Memory module” on page 4-14)
e. WLAN module (see
“WLAN module” on page 4-15)
f. Switch cover and keyboard (see
“Switch cover and keyboard” on page 4-21)
g. Speaker assembly (see
“Speaker assembly” on page 4-26)
h. Bluetooth module (see
“Bluetooth module” on page 4-27)
i. Display assembly (see
“Display assembly” on page 4-28)
j. Top cover (see
“Top cover” on page 4-37)
k. System board (see
“System board” on page 4-40)
l. Fan/heat sink assembly (see
“Fan/heat sink assembly” on page 4-51)
Description Spare part number
AMD Turion™ X2 Ultra Dual-Core M640 35-W, 2.60-GHz processor with 2-MB L2
cache
576256-001
AMD Turion X2 Ultra Dual-Core M620 35-W, 2.50-GHz processor with 2-MB L2 cache 576255-001
AMD Turion X2 Ultra Dual-Core M600 35-W, 2.40-GHz processor with 2-MB L2 cache 576254-001
AMD Turion X2 Dual-Core M520 35-W, 2.30-GHz processor with 1-MB L2 cache 583055-001
AMD Turion X2 Dual-Core M500 35-W, 2.20-GHz processor with 1-MB L2 cache 576253-001
AMD Athlon™ X2 Dual-Core M320 35-W, 2.10-GHz processor with 1-MB L2 cache 576252-001
AMD Athlon X2 Dual-Core M300 35-W, 2.00-GHz processor with 1-MB L2 cache 578024-001