Lenovo V4400u Notebook - Manual (Page 66)

• When you put a system board down, be sure to put it only on a padded surface such as an ESD mat
or a corrugated conductive surface.
Locating major sensitive components on the system board
Attention: The following components mounted on a system board are extremely sensitive. Improper
handling of a system board can cause damage to the following components, and might cause a system
malfunction. When you service the system board, avoid any kind of rough handling.
a Platform Controller Hub (PCH)
b Microprocessor
c Graphics chip (for discrete graphics models)
For models with an integrated thermal module assembly
a
b
For models with a discrete thermal module assembly
a
60 Hardware Maintenance Manual