For access, remove these FRUs in order:
Important notices for handling the system board:
When handling the system board, bear the following in mind.
After replacing the system board, run PC-Doctor for DOS to make sure that HDD Active Protection still functions. The procedure is as follows:
1. Place the computer on a horizontal surface.
Attention: Do not apply physical shock to the computer while the test is running.
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] Accelerometer chip for the HDD Active Protection System™
[c] PCH (Platform Controller Hub)
[d] GPU (Graphic Processing Unit): Discrete graphics chip
Note: GPU ([d]) is only for the Discrete Graphics models. Integrated Graphics models do not have GPU on the system board.
For Discrete Graphics models:
For Integrated Graphics models:
|1||M2 × 10 mm, wafer-head, nylon-coated (2)||Black||0.181 Nm (1.85 kgfcm)|
|2||M2 × 5 mm, wafer-head, nylon-coated (1)||Black||0.181 Nm (1.85 kgfcm)|
When installing: Make sure that the connector is attached firmly.