Transparency glitch - Able to see through all object without enabling transparency settings

Hi there,
Somehow I am able to see through objects and view objects in the back (in render view). So I googled and tried looking through the viewport options for “opaque shaded mode” but there was no such thing.

This is how it looks like:

The bigger object at the front should be opaque but I don’t know what has happened. None of the transparency setting are on (i.e. the ones in the object properties/material settings)

How can I fix this? Can I receive some help please?

Hi Rach_Gao,

First thing to try is see if the surface/object is flipped. It looks to me as if the the object is inside out.
Use the Command _Flip to reverse the surface direction.

However, it could also be an issue with your video card (GPU).
What Videocard do you have? See if there is a new driver available for your video card.

What version of Rhino are you running? Make sure you have the latest version.
Are you running in Windows directly or via a virtual machine like parallels or the like.

Please report back if you cannot get it solved.

-Willem

Thank you so much! Yes there was something wrong with my video card and rhino support suggested me to turn off my anti-aliasing which solved the problem!