Lenovo K4450 Laptop Hardware Maintenance Manual - Lenovo K4450 and K4450A - Page 70
Microprocessor, PlatformControllerHubPCH, For models with a discrete thermal module assembly
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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
Locating major sensitive components on the system board
Attention:
Thefollowingcomponentsmountedonasystemboardareextremelysensitive.Improper
handlingofasystemboardcancausedamagetothefollowingcomponents,andmightcauseasystem
malfunction.Whenyouservicethesystemboard,avoidanykindofroughhandling.
a
Graphicschip(fordiscretegraphicsmodels)
b
Microprocessor
c
PlatformControllerHub(PCH)
For models with an integrated thermal module assembly
b
For models with a discrete thermal module assembly
b
c
64
HardwareMaintenanceManual