Save the device configuration you want to keep, compare saved startup configuration with an unsaved running change, and review Reset Lab. Cancel first, then reset the lab and check that the device returns to its saved configuration. Reset reboots the devices and discards unsaved device configuration. The permanent-deletion section from 1:52 shows the earlier My Labs workflow and is historical. My Labs now moves labs to seven-day Trash; watch the current Trash and restore tutorials linked on this page. The original recording is preserved.
Historical deletion section (from 1:52). The Reset Lab section still applies. For the current My Labs workflow, watch Move selected labs to Trash and Restore a lab from seven-day Trash. The original video and transcript below describe the earlier deletion behavior.