Operating system (OS) is a computer program that manages and controls computer hardware and software resources. It is the most basic system software that runs directly on "bare metal", and a collection of system software that controls the operation of other programs and provides users with an interactive operating interface. Any other software must be supported by the operating system to run. What are the proprietary operating systems for laptops and desktops? The answer is windows. All versions of the operating system that Microsoft releases have never been divided between laptops and desktops.
Why does a laptop-specific operating system appear? This is because the hardware configuration of a laptop is slightly different from that of a desktop computer. For example, some laptop shortcut keys and other function keys cannot be used without drivers. After installing the operating system, if you want to use these functions, To install these drivers again, some system producers add notebook-specific drivers to the Microsoft operating system for the convenience of users, which forms an operating system specially used for notebooks.
Because the laptop-specific operating system has more drivers than ordinary operating systems, it can be used for desktop computers, but some laptops are not very good for desktop systems because of the lack of drivers required for laptops.
Tip: You can output audio and video from computer to tv though HDMI cable, and the picture and sound can be displayed on the TV. If the VGA cable is used, only the screen will be displayed on the TV, and another speaker needs to be connected to the computer.
Taking Win7 as an example, first we right-click the icon of "Small Speaker" in the lower right corner of the desktop, the menu bar will pop up, and click "Playback Device (P)", as shown in the following figure; At this time, we enter the sound panel. At this time, we right-click on the digital output device (HDMI) and "set as default device" to solve the problem of no sound when connected to HDMI, as shown in the following figure:
We right-click "Computer" on the desktop, select Device Manager, and find the "Sound, Video and Game Controller" item in the Device Manager. We only need to shield the sound card that comes with the system's default motherboard, usually "AMD High Definition Audio" and "High Definition Audio", etc., only use the sound card channel in the graphics card.
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