Check the listing for details. Wortman Desktop PC Terra DA470 Used. Color: Black, Condition: Used. Listed at 426.58 USD. The warranty is considered valid from the date of purchase of the product, variable based on the delivery date of the product. No documents are necessary (we trace all transactions via multimedia), but it is necessary NOT to open or tamper with the equipment, under penalty of invalidation of the guarantee itself. The warranty does not cover hardware defects (such as viruses, program malfunctions, or operating system problems). The warranty does not cover hardware parts if they have been dismantled without our authorization. The warranty does not cover accidental damage or natural causes. The warranty does not cover battery or internal battery. It is limited solely to spare parts, labor or shipping costs excluded. The warranty does not cover consumable parts, cables or faulty defects. (Fire.