It is not possible to run a PS3 through a PC to a TV. As lolnole said, I recommend purchasing an HDMI switcher. You can find some cheap ones on Amazon.com, the one I use is HDMI Switch 4k, GANA Intelligent 3-Port HDMI Switcher, Splitter, Supports 4K, Full HD1080p, 3D with IR Remote from Amazon.com