Diffuse the video from the computer on a television screen

Last update on October 18, 2009 10:34 AM by jak58
Published by jak58

Diffuse the video from the computer on a television screen






It is possible to display the output from the computer to the television (or the sound on an amp).
For this it is necessary that the graphics card has a TV output and the TV has a SCART input or S-Video.

More info......

TV Output

  • The output of the graphics card, is generally an S-Video (mini DIN 6 pin), also called S-VHS, as the following diagram:
  • Sometimes graphic cards have a RCA output, a yellow (video) port, as the following picture:
  • If the graphics card does not have any of these connectors, it will be necessary to change the graphics card or invest in additional hardware called VGA Box:

S-Video


If it is an S-Video (S-VHS) then you must have a S-Video cable connecting the computer to the S-Video TV or, failing that get a s-video/SCART an adapter.
  • Note:
    • Generally, graphic cards do not fully support S-Video, which has the effect of displaying images in black and white. To remedy this, simply open the /s-video-SCART adapter and make a (a bridge) between terminals 15 and 20.

RCA


If it is an RCA output, the principle is the same, but with an RCA cable. If the TV does not have RCA input and adapter will also need:

Configuration under Windows


On Windows, it is usually necessary to activate the TV output via the control panel:
  • 1. Double-click Display, then choose the tab "Settings";
  • 2. Click on "Advanced" tab and choose "View."
  • On Nvidia cards, this option is in Start / Control Panel / nVidia desktop manager / nView
  • 3. If the TV is connected to the TV output, a TV screen with the indication "connected" or should not appear
  • 4. Choose the option Clone Monitor / TV and validate.
  • 5. Verify the presence of a signal from the computer by pressing the "AV" from the TV until it switches on the TV display.



Restart the computer if no transmission on TV

Answers to common questions

  • The image of the TV flickers
    • If the resolution of the TV is not the same as the monitor, return to configuration options, click the right mouse button to select TV (Monitor No. 2), then choose resolution and select 800x600x32-bit 60 Hz (or 50 Hz if available).
  • The image of the TV is in black and white
    • The problem often comes with standard videos (PAL format), verify that E/S standards are identical.
    • For older TVs (not supporting PAL)b, it will use the NTSC standard

Otherwise try to switch the display of the TV to primary or default display. The terms and procedure depends on each card.
  • The videos do not appear on TV (black screen)
    • Otherwise try to switch the display of the TV to primary or default display. The terms and procedure depends on each card.
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