You can get a copy of our limited warranties and guarantees by writing Dell USA LP, Attention Warranties, One Dell Way, Round Rock, TX 78682. On-Site Service after Remote Diagnosis (aka NBD On-Site Service after Remote Diagnosis): Remote Diagnosis is determination by online/phone technician of cause of issue; may involve customer access to inside of system and multiple or extended sessions. If issue is covered by Limited Hardware Warranty and not resolved remotely, technician and/or part will be dispatched, usually within 1 business day following completion of Remote Diagnosis. Availability varies. Other conditions apply.