LWRP lights don't work on some computers

here is a screenshot of my 2d game that i built with OpenGL for web, and how it appears in some computers : in a slower pc , the 2d lights didn't show up and some appear red, i don't know if this depends on the Gpu of the pc or it's just a bug, if it's not a bug is there a way to make all players experience these lights by reducing the quality of 2d lights or something because i can't find any settings. anyone can help please ? also i'm using Unity 2019.2.