Lenovo V4400u Hardware Maintenance Manual - Lenovo V4400u - Page 65

System board assembly, 1060 PCI Express Mini Card for wireless LAN

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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

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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