HP 520 HP 520 Notebook PC - Maintenance and Service Guide - Page 65

Processor, Base enclosure see

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Processor NOTE: All processor spare part kits include thermal material. Description Intel Core Solo T1400 1.83-GHz processor Intel Core Solo T1300 1.66-GHz processor Intel Core Duo T2300E 1.66-GHz processor Intel Core Duo T2300 1.66-GHz processor Intel Celeron M 420 1.60-GHz processor Intel Celeron M 410 1.46-GHz processor Spare part number 448326-001 448325-001 448324-001 448323-001 448322-001 448321-001 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 31). 5. Remove the following components: a. Hard drive (see Hard drive on page 32) b. Memory/WLAN module compartment cover (see Memory module on page 35) c. Optical drive (see Optical drive on page 39) d. Switch cover (see Switch cover on page 41) e. Keyboard (see Keyboard on page 43) f. Display assembly (see Display assembly on page 45) g. Base enclosure (see Base enclosure on page 50) h. Fan assembly (see Fan assembly on page 53) i. Heat sink (see Heat sink on page 55) 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. Component replacement procedures 57

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Processor
NOTE:
All processor spare part kits include thermal material.
Description
Spare part number
Intel Core Solo T1400 1.83-GHz processor
448326-001
Intel Core Solo T1300 1.66-GHz processor
448325-001
Intel Core Duo T2300E 1.66-GHz processor
448324-001
Intel Core Duo T2300 1.66-GHz processor
448323-001
Intel Celeron M 420 1.60-GHz processor
448322-001
Intel Celeron M 410 1.46-GHz processor
448321-001
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
31
).
5
.
Remove the following components:
a
.
Hard drive (see
Hard drive
on page
32
)
b
.
Memory/WLAN module compartment cover (see
Memory module
on page
35
)
c
.
Optical drive (see
Optical drive
on page
39
)
d
.
Switch cover (see
Switch cover
on page
41
)
e
.
Keyboard (see
Keyboard
on page
43
)
f
.
Display assembly (see
Display assembly
on page
45
)
g
.
Base enclosure (see
Base enclosure
on page
50
)
h
.
Fan assembly (see
Fan assembly
on page
53
)
i
.
Heat sink (see
Heat sink
on page
55
)
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.
Component replacement procedures
57