Acer Altos G540 M2 - Manual (Page 6)

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11 Unplug this product from the wall outlet and refer servicing to qualified
service personnel under the following conditions:
a When the power cord or plug is damaged or frayed.
b If liquid has been spilled on the product.
c If the product has been exposed to rain or water.
d If the product does not operate normally when the operating
instructions are followed. Adjust only those controls that are covered
by the operating instructions since improper adjustment of other
controls may result in damage and will often require extensive work
by a qualified technician to restore the product to normal condition.
e If the product has been dropped or the chassis has been damaged.
f If the product exhibits a distinct change in performance, indicating a
need for service.
12 Replace the battery with the same type as the product's battery we
recommend. Use of another battery may present a risk of fire or explosion.
Refer battery replacement to a qualified service technician.
13 Warning! Batteries may explode if not handled properly. Do not
disassemble or dispose of them in fire. Keep batteries away from children.
Promptly dispose used batteries according to regulations applicable to
your area.
14 Use only the proper type of power supply cord set (provided in your
accessories box) for this unit. It should be a detachable type: UL listed/CSA
certified, type SPT-2, rated 7A 125V minimum, VDE approved or its
equivalent. Maximum length is 15 feet (4.6 meters).