For manually deployed nodes, you can recover the operating system on the node by using any of the methods that were used for operating system deployment.
Home > Integrated Products > Microsoft HCI Solutions from Dell Technologies > Guides 22H2 and earlier > E2E Deployment and Operations Guide with Stretched Cluster: Integrated System for Microsoft Azure Stack HCI > Operating system recovery
For manually deployed nodes, you can recover the operating system on the node by using any of the methods that were used for operating system deployment.