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Step
Screw (quantity)
1
M2.5 × 4 mm, flat head, nylon-coated (3)
3
M2 × 3 mm, flat head, nylon-coated (2)
1180 System board
Important notices for handling the system board:
When handling the system board, read the following:
• Some components mounted on a system board are very sensitive. Improper handling of a system board can cause
damage to those components, and may cause a system malfunction.
• The system board has an accelerometer, which can be broken when several thousands of G-forces are applied.
Note: Dropping a system board from a height of as little as 6 inches so that it falls flat on a hard bench can subject
the accelerometer to as much as 6000 G's of shock.
• 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.
• Avoid bending a system board and hard pushing to prevent cracking at each BGA (Ball Grid Array) chipset.
For access, remove these FRUs in order:
• "Removing microSD card, SIM-card and SIM-card tray" on page 38
• "1010 Keyboard" on page 38
• "1020 Base cover assembly" on page 42
• "1030 M.2 solid-state drive" on page 44
• "1040 Wireless WAN card (for selected models)" on page 45
• "1050 Wireless LAN card" on page 46
• "1100 Fan" on page 50
• "1110 Battery pack" on page 51
• "1170 I/O bracket" on page 61
62
Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual
Color
Torque
Black
0.294 Nm
(2.94 kgf-cm)
Black
0.181 Nm
(1.85 kgf-cm)
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