Lenovo K4450 Notebook - Manual (Page 70)

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 Graphics chip (for discrete graphics models)
b Microprocessor
c Platform Controller Hub (PCH)
For models with an integrated thermal module assembly
a
b
For models with a discrete thermal module assembly
a
b
c
64 Hardware Maintenance Manual