System board
NOTE: The system board spare part kit includes replacement thermal material.
Description Spare part number
System board with AMD A10-5745M processor for use with computer models equipped
with graphics subsystem with UMA memory
725462-001
System board with AMD A10-5745M processor for use with computer models equipped
with graphics subsystem with UMA memory and the Windows 8 Standard operating system
725462-501
System board with Intel i5-4200U processor and graphics subsystem with UMA memory 732775-001
System board with Intel i5-4200U processor, graphics subsystem with UMA memory, and
the Windows 8 Standard operating system
732775-501
System board with Intel i5-4200U processor, graphics subsystem with UMA memory, and
the Windows 8 Professional operating system
732775-601
System board with Intel i5-4200U processor and graphics subsystem with UMA memory
(with upgraded CPU core power controller version)
745043-001
System board with Intel i5-4200U processor, graphics subsystem with UMA memory, and
the Windows 8 Standard operating (with upgraded CPU core power controller version)
745043-501
Before removing the system board, 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 service cover (see
Service cover on page 30).
5. Remove the battery (see
Battery on page 32).
6. Remove the hard drive (see
Hard drive on page 34).
7. Remove the card reader board (see
Card reader board on page 44).
8. Remove the fan (see
Fan on page 45).
When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
●
RTC battery (see
RTC battery on page 33)
●
Memory modules (see
Memory modules on page 39)
●
Solid-state drive (see
Solid state drive (Intel models only) on page 35)
Component replacement procedures
47
