Article in English: Both the DVI and VGA port on the computer and the TV should be exactly the same and the cable should have the same connector on both ends. On some TV's the VGA input is labeled "PC IN" or "Computer IN". This is a 3.5mm stereo audio cable, similar to the end of a headphone plug. Plug one end of the cable into the headphone jack on your computer, which is typically a green port. Then plug the other end into the audio-in port on the TV. The audio-in port on the TV should be located near the DVI or VGA port you connected earlier. Using the buttons on the TV or using the TV remote, press the Input button to change the input of the TV to DVI or VGA.  On some TVs this input is labeled "PC" or "Computer". Some TVs may do this automatically when they detect a signal. This will open the display settings menu. This tells the computer to look for the TV you connected. Look to see if there are two squares, labeled 1 and 2, in the display settings window. Your computer may have already detected your TV. This will show a label on each screen so you will know which number has been assigned to your computer monitor, and what number has been assigned to your TV. This will give you a few options for how you want to show your computer on your TV. The options are:   Duplicate these displays. This will mirror exactly what is on your computer screen on the TV.  Extend these displays. This will make your TV an extended part of your desktop.  Show only on 1. This will turn off display number 2.  Show only on 2. This will turn off display number 1. This will change the display settings and apply them to your computer monitor and TV. Your TV should now be connected to your computer. You can further customize each display by clicking on its numbered square and then selecting Advanced display settings. You can also drag and rearrange the squares to change the orientation of the two displays.

Summary in Vietnamese:
Kết nối máy tính với tivi bằng dây cáp DVI hay VGA có hai đầu giống nhau hoặc dây cáp thông thường. Kết nối máy tính với tivi bằng dây cáp âm thanh có hai đầu giống nhau. Thay đổi đầu vào của tivi. Nhấp phải vào màn hình chính của máy tính và chọn Display Settings (Cài đặt trình chiếu) để mở trình đơn. Nhấp vào Detect (Dò tìm). Nhấp vào Identify (Xác minh). Nhấp vào khung "Multiple displays" (Các loại trình chiếu) và chọn lựa chọn phù hợp. Nhấp vào Apply (Áp dụng).