If your PS5 won't turn on, the issue may be more than a simple power cable problem. A failing PS5 power supply can prevent the console from starting properly and may cause unexpected shutdowns or intermittent power loss. Many users report that their PS5 keeps turning off before completely failing to power on. Recognising PS5 power supply failure symptoms early can help identify the root cause before more serious damage occurs. This article provides useful information about diagnosing power-related faults and explains how to replace a PS5 power supply safely and effectively.