comments:
Pleasant-Seat9884 posted on r/pcbuildhelp2w
If you don't know or afraid.. just buy this. I'm sure many Computer stores sells it as well. It's to test your PSU if it turns on without anything connected. https://www.amazon.com/SDTC-Tech-Starter-Without-Motherboard/dp/B07X9SVB5K?crid=VD1O33I3WCEG&dib=eyJ2IjoiMSJ9.ci2mXmDBqYRTBW3AoRiFWKGFbzvf9Gk_eF8cpuRV8SM4CHLxjTYAgv7njxkG7QvQbXt_0A-m0FXY90mkXuYJYo7gU99xbztiPCi3sjhzq8E5jZjFvlK1zwc4fLRqUzosy1q8n9M1ToT9LGQuw9IoafVsNVa9TQzDcYDWV4bGZEamh8Jse9LaJdqVPtsV0QbJOYDHmvPry9Bc1ZSa7sETYSvGurXgdaNZPvoJhlZq_bk.9-jFIj3pkMJtyuxxnz6sfo9VM3dyqmMs5yd3Ut36eD8&dib_tag=se&keywords=psu+test&qid=1781194503&sprefix=psu+tes%2Caps%2C243&sr=8-11