Try connecting it to a different USB port.This may sound silly, but have you tried rebooting the computer? This simple step fixes a lot of computer related problems. If you have done all that and are still facing the problem, proceed to the next section. Fn + F11 or F12) for controlling the volume. You may have to use Fn + another key (for e.g. In case of laptops, check if the built-in keyboard works and also verify if the volume keys on it are working.Do all the other keys on the keyboard work?.If your speaker has a volume wheel or keys, ensure that it is not turned down all the way.Does the volume slider on the system tray change the sound level?.Try plugging in some headphones or a different speaker if possible.Check whether the speaker/sound card that is connected to the computer works.
