This is the simplest reason why your computer has no sound, and although it seems like an obvious step, it's good to check anyway before moving on to the other suggestions below.

If your Windows 11/10 has no sound after installing or updating the NVIDIA drivers, check BIOS settings first and then use these fixes to resolve this issue.

If there is no sound or audio after a Blue Screen error on your Windows 11/10 computer, the audio drivers might have been corrupted. Use these fixes to resolve the issue.