vDo not touch live electrical circuits with the reflective surface of a plastic dental
mirror.The surface is conductive; such touching can cause personal injury and
machine damage.
vDo not service the following parts with the power on when they are removed
from their normal operating places in a machine:
Power supply units
– Pumps
Blowers and fans
Motor generators
Similar units to listed above
This practice ensures correct grounding of the units.
vIf an electrical accident occurs:
Use caution; do not become a victim yourself.
Switch off power.
Send another person to get medical aid.
4ThinkPad W700 and W700ds HardwareMaintenance Manual