Onsite Service after remote diagnosis Dell’s base warranty covers repair or replacement for manufacturing defects. With Onsite Service after remote diagnosis, if Dell’s technical experts determine that the situation cannot be resolved remotely, a field support technician will come on site, usually within 1-2 business days. It’s support when you need it, where you need it — convenient for you. Dell recommends ProSupport – If you need more than business hours support, consider upgrading to ProSupport. *Availability and terms of Dell Technologies Services vary by region and by product. Contact a sales representative for details.