Connecting your PC to the TV for video reception is done through a cable. There are different types of cables such as composite video cables and s-videos which are for analog signal outputs and VGA, DVI, and HDMI cables which are for digital video outputs. Whilst choosing the cable, be sure that it supports your TV's and PC's hardware requirements. The video quality is directly related to the input from the PC. The audio input to the TV are RCA, Mini-plug, coax digital and optical connection types. The hardware compatibility is necessary for the TV to receive audio and video inputs from the PC. A mix of appropriate audio and video connections enhances the receiver's audio quality. If you are using a home theatre receiver with DDL or DTS-I and 5.1 sound card configuration, you can use multi-channel analog connections assuming that the receiver has a multi-channel analog input.
Connecting a PC to a TV set - audio issues
After connecting my laptop to my television set using a VGA cable, I'm getting the image. However, when I tried to put an RCA cable from my laptop into my television (via a phono convertor) the sound still came out of my laptop and not from the TV speakers.
Computers have two seperate systems - one for Video and one for Audio.
- The only computer (or laptop) connection that carries both video and sound is HDMI. If you do not have a HDMI/DVI connector at the back of your computer, then you will have to use the VGA-composite or s-video connectors to display your PC's output on an external monitor like an LCD TV.
- If the display settings (Start/Control Panel/Personalize/Display Settings) allow two modes - single or dual monitor modes:
Single monitor mode allows you to switch between any one of three possible video outputs - VGA-composite, S-Video or laptop screen, or a split-desktop (display spread over two seperate monitors).
Dual monitor mode allows the same display on any two of three possible video outputs.
Thanks to felinis for these tips.
- Switching is performed using the fn keys on the keyboard (fn key plus the F2, F8, etc. function key with the display marking). You guys use single monitor mode until you figure out what your are doing. Select VGA-composite or S-Video.
- Non-HDMI sound to your TV monitor or sound system must be obtained from your laptop's Headphone or S/PDIF jacks. Headphone is stereo and S/PDIF is 5.1 surround sound. Headphone is electrical, but S/PDIF may be electrical or optical (laser light). You must set the sound jack that you intend to use as default on the PC control panel (Start/Control Panel/Sound).
- None of these connectors are two-ways in the context of an LCD monitor - your PC cannot record a TV picture or sound from the external monitor. To accomplish this, you must purchase a video converter box that converts cable TV or video + sound inputs to USB format, usable by your laptop. Do this and you will be able to turn your laptop into a Tivo recorder/DVD burner using Beyond TV, Sage TV or a variety of other software packages.
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- Latest update by Virginia Parsons