Datasheet

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