How To Check Psu - Wattage ((link))

He opened Windows Search, typed “System Information,” and found nothing about power supply. He tried HWMonitor — no PSU data. Then CPU-Z, then Speccy. Nothing. Software can’t read PSU stickers because there’s no data cable from the power supply to the motherboard. Lesson one learned.

: If you know your PC’s model name (e.g., Dell XPS 8940), search for its "spec sheet" on the manufacturer's support site . how to check psu wattage

“550W,” he whispered. The new card needed 650W. If he’d just plugged it in, the PC would randomly shut down under load — or worse. He opened Windows Search