If you're lucky enough to have a laptop with an HDMI input port – and only in this case – can you get your PS3 to play on a laptop monitor.
Unfortunately, your scenario is not lucky…
So, you will need a USB HDMI capture device.
This is a device that allows our computer to capture HDMI video. Useful if you want to record your gameplay.
If you just want a portable video display, then you'd be better off just purchasing a small HDMI monitor, which would be a fraction of the cost of a capture device like this.
Source:
https://www.quora.com/How-do-I-connect-the-PS3-HDMI-output-to-the-laptop
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