DANGER
Reduce the risk of fire and electric shock by always following basic safety
precautions, including the following:
v Do not use your computer in or near water.
v During electrical storms:
– Do not use your computer with the telephone cable connection.
– Do not connect the cable to or disconnect it from the telephone outlet on the
wall.
DANGER
If the rechargeable battery pack is incorrectly replaced, there is danger of an
explosion. The battery pack contains a small amount of harmful substances. To
avoid possible injury:
v Replace only with a battery of the type recommended by IBM.
v Keep the battery pack away from fire.
v Do not expose it to water or rain.
v Do not attempt to disassemble it.
v Do not short-circuit it.
v Keep it away from children.
Do not put the battery pack in trash that is disposed of in landfills. When
disposing of the battery, comply with local ordinances or regulations and your
company’s safety standards.
DANGER
If the backup battery is incorrectly replaced, there is danger of explosion.
The lithium battery contains lithium and can explode if it is not properly handled
or disposed of.
Replace only with a battery of the same type.
To avoid possible injury or death, do not: (1) throw or immerse the battery into
water, (2) allow it to heat to more than 100 °C (212 °F), or (3) attempt to repair or
disassemble it. Dispose of it as required by local ordinances or regulations and
your company’s safety standards.
40 ThinkPad
®
T23 Service and Troubleshooting Guide
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