Question about Televison & Video
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Posted on Jan 02, 2017
i have a 26" insignia lcd tv that i use as a montor uou musr set the screen resolution on your computer to 1024x768. if you use a higher resolution it will say no signal.so use your montor to set the resolution to 1024x768 then hook it to the vga and it should work. bob griggs
Posted on Jul 07, 2009
Your right. I just had the same "Invalid Input" issue as well and it completely relates to the resolution compatability with any VGA or HDMI connection. Check the LG website for the online manual if you don't have it and see the section on RGB-PC cable. There is a table that incdicates the Resolutions the LG product is capable of displaying.
Thanks for the help.
Posted on Nov 09, 2008
Most tvs can only handle a couple resolutions (ie 640x480) through the pc input. Even some HD tvs can only do 480. Check that your video is turned on and setup to the acceptable resolutions.
right click your desktop
go to properties
click settings tab
click on the 2nd monitor
make sure the box is clicked at the bottom
"extend my windows desktop onto this monitor"
instructions for windows xp
Posted on Dec 16, 2008
SOURCE: PC Wont Show up on TV Screen
Have you set the properties from your computers graphics settings ?
They have to be set first and it is always better to start with a lower resolution first.
First off ensure it is a good quality cable as many cheap cables are not worth the material they are made from.
Second you will have to make sure you tv is set to the correct input eg video 1, input 1, etc.
Third you need to call up the display properties for your graphics card on the computer
You can right click on an empty area of your desktop and if there is an option for Nvidia or radeon you should use that.
If not click on properties. setting, advanced, you should then see a tab for your graphics card, select this.
Options may vary a little from here on but you are looking for an advanced control panel just for your graphics card and it is in this area that you can select additional displays and their properties. Usually it is best to select "clone" until you have established a picture. after that you can select expand or other options, Clone is usually best.
You should also find the option that lets you set the resoloution for each screen independant. then you can select the flat screen and say set it to 1024 x 768 as a starting point whiles leaving your regular monitor as it is.
You should by now have some form of display on your TV. It may look wrong but once you have it you can alter the resolution until it fits as you want it to.
The aspect ration on your big tv may also need to be changed so that you can get the computer image as large as possible without loosing any of it eg. the toolbar
If you have an Nvidia card then you are better using the "dualview" option to do what I just described Radeon may have somthing similar but I am not a fan of that brand and find the Nviia easier to use for this type of work.
If your graphics card has a digital output then a lead from that to your TV if it too has hdmi etc is a better option than S-video, Some TV's also have a VGA input this too is better than S-VIDEO.
Posted on Aug 11, 2009
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