Water shader is not working on some desktop

Hi,
i am working on a virtual experience, but the demo water shader i used in the environment, is not working on some desktop machines,
Demo water link: Demo: Water - PLAYCANVAS
water shader look like this on other desktop while on my laptop it is working fine.

It’s using a custom shader and I don’t see any obvious red flags in it, all seems reasonably standard. You should check the chrome dev console to see if there’re any errors reported there.