Table 31. Removal steps of system board,
Following components soldered on the top side of the system board are extremely sensitive. When you service the system board, avoid any kind of rough handling.
b
d
CPU
Accelerometer chip for the HDD Active Protection System™
PCH (Platform Controller Hub)
GPU (Graphic Processing Unit): Discrete graphics chip
Note: GPU ( d ) is only for the Switchable Graphics models. Integrated Graphics models do not have GPU on the system board.
For Switchable Graphics models:
a
d
c b
For Integrated Graphics models:
a
c b
