How do you get radio to work when no display is showin In my vauxhall corsa?

If your Vauxhall Corsa's radio is not showing a display, first check the fuse for the radio in the fuse box, as it may be blown. Ensure that the radio is properly connected to the power supply and that the ignition is turned on. If those steps don't resolve the issue, try resetting the radio by disconnecting the battery for a few minutes, then reconnecting it. If the problem persists, it may be a hardware issue that requires professional diagnosis.