HP ProBook 470 G1, Maintenance And Service Manual

Page: 81 / 149

Processor
NOTE: All processor spare part kits include replacement thermal material.
Description Spare part number
Intel Core i7 processor, Quad Core
4702MQ, 2.2-GHz processor with 6-MB L3 cache 723522-001
Intel Core i5 processors, Dual Core
4200M, 2.5-GHz processor with 3-MB L3 cache (includes thermal grease) 737328-001
Intel Core i3 processors, Dual Core
4100M, 2.5-GHz processor with 3-MB L3 cache (includes thermal grease) 737474-001
4000M, 2.4-GHz processor with 3-MB L3 cache (includes thermal grease) 737327-001
Intel Pentium processor, Dual Core
3550M, 2.4-GHz, with 2-MB L3 cache 737329-001
Intel Celeron processor
2950M, 2.1-GHz, with 2-MB L3 cache 737326-001
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 34 ).
5. Remove the following components:
a.
Service door (see Service door on page 35 ).
b. Hard drive (see Hard drive on page 36 )
c. Optical drive (see Optical drive on page 39 )
d. WLAN/Bluetooth module (see WLAN/Bluetooth combo card on page 43 )
e. Keyboard (see Keyboard on page 45 )
f. Top cover (see Top cover on page 47 )
g. System board (see System board on page 60 )
h. Fan/heat sink assembly (see Fan/heat sink assembly on page 67 )
Remove the processor:
1. Position the system board upside-down.
2. Use a flat-bladed screwdriver to turn the processor locking screw (1) one-half turn
counterclockwise until you hear a click.
Component replacement procedures 69