XDA Developers on MSN

My motherboard's debug LED saved me hours of troubleshooting once I learned how to use it

Debug LEDs are good at debugging. Who knew?
Hosted on MSN

Debug LEDs offer faster fixes for PC no-display errors

Motherboard debug LEDs can streamline diagnosing PC boot or display failures by indicating which hardware area is preventing startup. These lights activate during the Power-On Self-Test to signal ...