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Cannot enjoy the free maintenance the situation: Not according to "Instruction for use" the content use, themaintenance, the storage cause the breakdown or the damage. This product user not according to the instruction booklet request,the breakdown or the damage which the wrong installment, the storageand the use creates; Customer artificial processing causes the product breakdown or thedamage. The not effective certificate and the effective receipt (can provethis commodity is an exception in free service term of validity). Arbitrarily modifies the certificate. In the certificate product model and the serial number and thecommodity material object does not tally. In the use process infects the virus to cause the breakdown or thedamage. Causes the breakdown or the damage because of the force majeure. Because the accidental factor or the artificial reason (includingcomputer virus, transporting, extrusion, clash, scratch the breakdownor the damage which, hit, high temperature, input inappropriatevoltage, corrosion and so on) causes; Other non- question and so on product design, technology, manufacture,quality causes breakdown or damage.