Me thinks you need to educate yourself on the different types of power conditioners. There are passive and active conditioners. Then there are power regenerators which PS Audio is known for. Also, not all PC's have surge protection. That's what's found on most power strips and protects your gear during power spikes.
Lots of info in the archives:
https://forum.audiogon.com/search/index?utf8=%E2%9C%93&query=Power+conditioners
Lots of info in the archives:
https://forum.audiogon.com/search/index?utf8=%E2%9C%93&query=Power+conditioners