power adapters

Hi all, I have been troubleshooting a GPU issue and though maybe I had a bad PS (Corsair RM1000x) at first. I ordered a second thinking the first was dead. For fun I moved ATX power to one PS and the CPU power to the other. PC didn't boot so I am curious how it knows it's not connected to the...

so i am at my girlfriend's house, she owns a gaming pc, following specs: Asrock b450 k4 p4.80 r5 3600 2x8gb 3200mhz Gskill cl16 memory gtx 1660 my girlfriend's parents ask her to turn off the power strip off to save energy, she knows not to turn off her pc through the psu switch or the power...

so i recently recieved gtx 1060 6gb from my friend , but i cant power it. As it need 6 pin power cable my power supply doesnt have any 6 pin connector plus its only 200 watt power supply. i have 2 power supplies lying around which i dont know if they are safe or not. but that doesnt matter as...

Can any regular USB-C power supply power a Raspberry Pi 5 at 5V 5A? I have a USB-C power supply that can provide 20V 5A, with the correct cable of course. Should it be able to do 5V 5A? Will the Pi 5 correctly negotiate with it?

I've got a shiatsu pillow rated at 12.8VDC and 2.5A, but the power cord is missing. I found some 12VDC, 3A power adapters online. Is 12VDC good enough for a device rated at 12.8VDC?