No, on a lappy. I have the Google Home app installed, apparently. Can I find it? No.Presumably on your smartphone or tablet...
Find the Google home app, run it, tap on devices in top right corner, then click on the three dots in the top right of the 'Chromecasr Audio' box
You'll then get a menu, one of the options being 'full dynamic rance', turn it on...
https://support.google.com/chromecast/answer/6290498?hl=en-GB