Lenovo B575e Laptop Hardware Maintenance Manual - Lenovo B575e - Page 69

System board assembly, Remove the RJ45 Ethernet board

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Remove the RJ45 Ethernet board 4 . 4 1130 System board assembly Important notices for handling the system board: When handling the system board, bear the following in mind: • Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite. • Avoid rough handling of any kind. • At every point in the process, be sure not to drop or stack the system board. • If 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. For access, remove these FRUs in order: • "1010 Battery pack" on page 44 • "1020 Bottom slot cover" on page 44 • "1030 Hard disk drive" on page 45 • "1040 Optical drive" on page 47 • "1050 Memory modules" on page 48 • "1060 PCI Express Mini Card for wireless LAN" on page 49 • "1070 Backup battery" on page 50 • "1080 Keyboard" on page 51 • "1090 Keyboard bezel" on page 54 Chapter 7. Removing and replacing a FRU 63

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Remove the RJ45 Ethernet board
4
.
4
1130 System board assembly
Important notices for handling the system board:
When handling the system board, bear the following in mind:
•
Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite.
•
Avoid rough handling of any kind.
•
At every point in the process, be sure not to drop or stack the system board.
•
If 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.
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 44
•
“1020 Bottom slot cover” on page 44
•
“1030 Hard disk drive” on page 45
•
“1040 Optical drive” on page 47
•
“1050 Memory modules” on page 48
•
“1060 PCI Express Mini Card for wireless LAN” on page 49
•
“1070 Backup battery” on page 50
•
“1080 Keyboard” on page 51
•
“1090 Keyboard bezel” on page 54
Chapter 7
.
Removing and replacing a FRU
63