Description Spare part
number
●
Intel Core i5-4210U processor and UMA graphics 761535-xxx
●
Intel Core i5-4210U processor and UMA graphics memory in HP 250 G3 models with an Integrated 10/100/1000
NIC (Giga LAN)
780119-xxx
●
Intel Core i5-4210U processor and 2 GB of discrete graphics memory in HP 250 and 256 G3 models 780120-xxx
●
Intel Core i5 processor and UMA graphics 780118-xxx
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 battery (see 
Battery on page 35).
5. Remove the following components:
●
Keyboard (see 
Keyboard on page 39)
●
Top cover (see 
Top cover on page 47)
●
WLAN module (see 
WLAN module on page 55)
●
Hard drive (see 
Hard drive on page 53)
NOTE: 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:
●
Memory module (see 
Memory module on page 71)
●
Heat sink assembly (see 
Heat sink assembly on page 67)
To remove the system board:
1. Position the computer upright, and then disconnect the following cables from the system board:
(1): Power connector cable
(2): Speaker cable
(3): Fan cable
(4): Display cable
Component replacement procedures 61