Lenovo G555 Lenovo G555 Hardware Maintenance Manual V2.0 - Page 64

System board, Important notices for handling the system board

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Lenovo G555 Hardware Maintenance Manual 1140 System board 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. • In the whole process, make sure not to drop or stack the system board. • If you put a system board down, make sure to put it only on a padded surface such as an ESD mat or conductive corrugated material. For access, remove these FRUs in order: •• "1010 Battery pack" on page 34 •• "1030 Hard disk drive (HDD) slot cover and HDD" on page 36 •• "1040 Memory/Wireless module/CPU (central processing unit) compartment cover" on page 38 •• "1050 Optical drive" on page 39 •• "1060 DIMM" on page 40 •• "1070 Fan assembly and Heat Sink assembly" on page 41 •• "1090 PCI Express Mini Card for wireless LAN/WAN" on page 45 •• "1100 Keyboard cover and power board" on page 47 •• "1110 Keyboard" on page 50 •• "1120 LCD unit" on page 52 •• "1130 Keyboard bezel" on page 56 Figure 14. Removal steps of system board Unplug the power connector on the bottom in the direction shown by arrow 1. 1 When installing: Make sure that the power connector is attached firmly. 60

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60
Lenovo G555 Hardware Maintenance Manual
1140
System board
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.
•
In the whole process, make sure not to drop or stack the system board.
•
If you put a system board down, make sure to put it only on a padded surface such
as an ESD mat or conductive corrugated material.
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 34
•
“1030 Hard disk drive (HDD) slot cover and HDD” on page 36
•
“1040 Memory/Wireless module/CPU (central processing unit) compartment
cover
” on page 38
•
“1050 Optical drive” on page 39
•
“1060 DIMM” on page 40
•
“1070 Fan assembly and Heat Sink assembly” on page 41
•
“1090 PCI Express Mini Card for wireless LAN/WAN” on page 45
•
“1100 Keyboard cover and power board” on page 47
•
“1110 Keyboard” on page 50
•
“1120 LCD unit” on page 52
•
“1130 Keyboard bezel” on page 56
Figure 14. Removal steps of system board
Unplug the power connector on the bottom in the direction shown by arrow
1
.
1
When installing:
Make sure that the power connector is attached firmly.