Lost dell laptop

If your Dell laptop or desktop is lost or stolen, this article provides information about what you should do  https://www.dell.com/support/kbdoc/en-us/000129627/how-to-report-a-dell-system-lost-or-stolen

You can also find and lock a lost Windows device if the feature was enabled  https://support.microsoft.com/en-us/account-billing/find-and-lock-a-lost-windows-device-890bf25e-b8ba-d3fe-8253-e98a12f26316