HP ProBook 4535s HP ProBook 4535s Notebook PC - Maintenance and Service Guide - Page 92

Processor

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Processor NOTE: All processor spare part kits include replacement thermal material. Description AMD A8-3500M APU (2.4-GHz/1.5-GHz, 4-MB L2 cache) AMD A6-3400M APU (2.3-GHz/1.4-GHz, 4-MB L2 cache) AMD A4-3300M APU (2.5-GHz/1.9-GHz, 2-MB L2 cache) Spare part number 653350-001 653349-001 653348-001 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 40). 5. Remove the following components: a. Bottom door (see Bottom door on page 42). b. Hard drive (see Hard drive on page 45) c. Optical drive (see Optical drive on page 43) d. WLAN module (see WLAN/Bluetooth combo card on page 51) e. WWAN module (see WWAN module on page 49) f. Fan (see Fan on page 80) g. Heat sink (see Heat sink on page 82) h. Keyboard (see Keyboard on page 56) i. Top cover (see Top cover on page 58) j. System board (see System board on page 75) k. Fan (see Fan on page 80) l. Heat sink (see Heat sink on page 82) Remove the processor: 1. Position the computer upside-down with the front toward you. 2. Use a flat-bladed screwdriver to turn the processor locking screw (1) one-half turn counterclockwise until you hear a click. 84 Chapter 4 Removal and replacement procedures

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Processor
NOTE:
All processor spare part kits include replacement thermal material.
Description
Spare part number
AMD A8-3500M APU (2.4-GHz/1.5-GHz, 4-MB L2 cache)
653350-001
AMD A6-3400M APU (2.3-GHz/1.4-GHz, 4-MB L2 cache)
653349-001
AMD A4-3300M APU (2.5-GHz/1.9-GHz, 2-MB L2 cache)
653348-001
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
40
).
5.
Remove the following components:
a.
Bottom door (see
Bottom door
on page
42
).
b.
Hard drive (see
Hard drive
on page
45
)
c.
Optical drive (see
Optical drive
on page
43
)
d.
WLAN module (see
WLAN/Bluetooth combo card
on page
51
)
e.
WWAN module (see
WWAN module
on page
49
)
f.
Fan (see
Fan
on page
80
)
g.
Heat sink (see
Heat sink
on page
82
)
h.
Keyboard (see
Keyboard
on page
56
)
i.
Top cover (see
Top cover
on page
58
)
j.
System board (see
System board
on page
75
)
k.
Fan (see
Fan
on page
80
)
l.
Heat sink (see
Heat sink
on page
82
)
Remove the processor:
1.
Position the computer upside-down with the front toward you.
2.
Use a flat-bladed screwdriver to turn the processor locking screw
(1)
one-half turn
counterclockwise until you hear a click.
84
Chapter 4
Removal and replacement procedures