Daz I pressed a wrong key in Daz Studio and I can't fix it.

[fixers]

I pressed the button next to the Iray option and the preview screen is white and I can't fix it.

 

[coffeeaddicted]

You always can reload the defaults in your render setting.
To me it looks like over exposure. So maybe check the tone mapping and set it to the defaults.
Just a thought because i don't know either.
Or the environment setting. Maybe there is an HDRI that shines really bright.
That is what i would do.

 

[GNVE]

Yeah I concur that it looks like overexposure. click the defaults button under the render button. If that doesn't work try loading a different scene just to check that works fine. Preferably an older version of the scene you have loaded now. It is always easier to compare the settings of a working scene with a non working scene if they are nearly identical.
Had to do this myself a little while ago and going back to an older working scene saved a lot of headaches.

 

[coffeeaddicted]

If you have a setting you really like to work with, you can save it on it's own. Load it whenever you need it.