A red light on the motherboard usually indicates a hardware issue—common causes include problems with the CPU, RAM, GPU, or power supply. Check the user manual to identify the specific error based on light location.
A red LED light on a motherboard usually signals a hardware fault. It could indicate issues with the CPU, RAM, GPU, or power supply. Most motherboards label the lights (e.g. CPU, DRAM, VGA, BOOT), so you can diagnose which component is failing. Always turn off power before troubleshooting.
