Lenovo ThinkPad X23 ThinkPad X20, X21, X22, X23, X24 Hardware Maintenance Manu - Page 62

Battery pack, Attention

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Attention: Before the computer is powered on after FRU replacement, make sure all screws, springs, and other small parts are in place and are not loose inside the computer. Verify this by shaking the computer gently and listening for rattling sounds. Metallic parts or metal flakes can cause electrical short circuits. Attention: The system board is sensitive, and can be damaged by electrostatic discharge. Establish personal grounding by touching a ground point with one hand before touching these units. You must use an electrostatic discharge (ESD) strap (P/N 6405959) to establish personal grounding. 1010 Battery pack 1 2 58 ThinkPad X20, X21, X22, X23, X24

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Attention:
Before the computer is powered on after FRU
replacement, make sure all screws, springs, and other
small parts are in place and are not loose inside the
computer. Verify this by shaking the computer gently and
listening for rattling sounds. Metallic parts or metal flakes
can cause electrical short circuits.
Attention:
The system board is sensitive, and can be damaged by
electrostatic discharge. Establish personal grounding by
touching a ground point with one hand before touching
these units.
You must use an electrostatic discharge (ESD) strap (P/N
6405959) to establish personal grounding.
1010 Battery pack
2
1
58
ThinkPad X20, X21, X22, X23, X24