Lipids are fats. Many foods contain fats. Most meat, poultry, seafood, and even fish. Most dairy products contain fats unless stated nonfat. In their natural state dairy contains fat.
Microsoft Windows (or simply Windows) is a metafamily of graphical operating systems developed, marketed, and sold by Microsoft. It consists of several families of operating systems, each of which cater to a certain sector of the computing industry.
Windows has a Sound window that allows you to manage your computer's audio settings and devices. If you cannot hear sound when it should be playing, head to the Sound window and tell Windows to select the audio input device you are using. Click the mmsys.cpl icon when it appears in the list of search results.