Why turning ignition key causes flash of the dash board lights and make them dead immediately and no sound of the engine cranking?

When turning the ignition key, a flash of dashboard lights followed by them going dead usually indicates a weak or dead battery. The initial power surge activates the lights, but if the battery cannot sustain the load, the voltage drops, causing the lights to go out. Additionally, a faulty ignition switch, corroded battery terminals, or a malfunctioning starter can prevent the engine from cranking, resulting in no sound. It’s essential to check the battery and connections to diagnose the issue.