Lenovo V4400u Notebook - Manual (Page 65)

For models with an integrated thermal module assembly
a
For models with a discrete thermal module assembly
a
b
1150 System board assembly
For access, remove these FRUs in order:
•
“1020 Base cover” on page 43
• “1030 Battery pack” on page 44
• “1080 Hard disk drive assembly” on page 48
• “1070 M.2 solid-state drive” on page 47
• “1060 PCI Express Mini Card for wireless LAN” on page 47
Important notice for replacing the system board
When replacing the system board, observe the following guidelines:
• Do not drop a system board on a bench top that has a hard surface, such as metal, wood, or composite.
• Do not apply any excessive force to a system board.
• Avoid rough handling of any kind.
• Avoid bending a system board or hard pushing to prevent cracking at each Ball Grid Array (BGA) chipset.
Chapter 8 . Removing or replacing a FRU 59