Fix HyperX Alloy Origins Core switch not working by checking if the key is detected in software, removing the keycap, and cleaning around the mechanical switch with compressed air. We have a pair of Dell N3224P-ON switches and today's morning my colleague gave me a task and instructions to remove some unused VLANs. I'm sure I removed the correct VLANs. When I saved the configuration, everything stopped working and now we don't know what to do. If you ignore these signs, it could lead to sparks, short circuits, or even an electrical fire. Reports show that many house fires start because of wiring or lighting faults. Please select a product to check article relevancy 1. more Sound or. There can be a variety of reasons an unexpected reload or silent reload event can occur.