HP ProBook 640 G1 Maintenance And Service Manual page 110

Description
For 15.6-in. computer models with shared memory and the Windows 8 Standard operating system with
WWAN capability (includes replacement thermal material)
For 15.6-in. computer models with shared memory and the Windows 8 Professional operating system
with WWAN capability (includes replacement thermal material)
For 14-in. computer models equipped with shared memory with WWAN capability
For 14-in. computer models equipped with shared memory and the Windows 8 Standard
operating system with WWAN capability
For 14-in. computer models with shared memory and the Windows 8 Professional operating system
with WWAN capability
For 14-in. computer models shared memory without WWAN capability
For computer models equipped with shared memory and the Windows 8 Standard operating system
without WWAN capability
For use only on computer models shared memory and the Windows 8 Professional operating system
without WWAN capability
For use only on 15.6-in. computer models equipped with an Intel Quad Core processor with WWAN
capability
For use only on 15.6-in. computer models shared memory and the Windows 8 Standard
operating system with WWAN capability
For use only on 15.6-in. computer models with shared memory and the Windows 8 Professional
operating system with WWAN capability
For use only on 15.6-in. computer models with shared memory and the Windows 8 Standard
operating system without WWAN capability
For use only on 15.6-in. computer models with shared memory and the Windows 8 Professional
operating system without WWAN capability
For use only on 15.6-in. computer models with shared memory and without WWAN capability
Before removing the system board, 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
a. Service cover (see
b. Hard drive (see
c. Optical drive (see
d. Fan/heat sink assembly (see
e. Keyboard (see
f. Display assembly (see
102 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
Battery on page 64), and then remove the following components:
Service cover on page
Hard drive on page 66)
Optical drive on page 77)
Fan and heat sink assembly on page
Keyboard on page 80)
Display assembly on page
65)
116)
Spare part number
744017-501
744017-601
745883-001
745883-501
745883-601
745884-001
745884-501
745884-601
745887-001
745887-501
745887-601
745888-501
745888-601
745888-001
87)