Hello, I've connected the RGB cable from the motherboard to the TV (LG 42PX5D), fixed resolution/hz properly... and selected RGB on input, yet the television screen still says no signal when I turn the PC on. I am really puzzled! Hopefully you know why =) Thanks
No RGB signal message connecting laptop to VIZIO HDTV
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Re: No signal when connecting PC to TV
This happens to almost every laptop I know. Here are several solutions: 1. You need to manually enable video on tv by pressing two buttons on your laptop keyboard. The first is "Fn" (at the left bottom). The second depends on your laptop manufacturer. Look at the function keys. F1....F12 for the LCD/CRT or the corresponding sign. Press and hold Fn and press second button. Sometimes you need to press second button several times. This means you need to cycle through all available options to enable Laptop's screen and TV screen at the same time (clone). 2. Intel Extreme Graphics video cards sometimes doesn't support a procedure described above. You need to find intel video card options manager running at the sys-tray (right bottom of your screen near the clock). Right click on it. Select Graphic Options -> Output to -> Laptop + ... clone (or something similar) Note that not all video cards are capable of showing the movie on media player at the same time. You need to choose Laptop or TV
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Connect VGA (D-sub 15 pin) cable from PC to TV (RGB PC) input jack. Connect audio cable from PC to TV. Set screen resolution on PC to be compatible with TV, such as 800 X 600 or 1024 X 768 etc. Select on the TV, the PC INPUT using the TV remote when ready to use as monitor.
Under PICTURE on the TV select SCREEN (RGB-PC). You can AUTO-CONFIG or you can set resolution manually to the same you set PC to. Other adjustments can be done here as well to get optimum picture on TV from PC.
If the resolution of the source of the RGB signal is outside of the range of the set, you will get this mesage. The supported resolutions are listed in the owner's manual. Verify that you have a signal within that range. If you do, please post your source of the video here and we'll look further.
If it is, then yeah you should be able to output VGA from a PC to the TV with a proper cable.
However if the TV has DVI or HDMI connections on it, it's better for
you to connect it that way. DVI/HDMI is a digital signal and if it's a
digital-based display tech TV, then you're better off using that. Also
if the TV does resolution above 1360x768 (i.e. if it does 1080p) you
can get higher resolution by going via DVI/HDMI...
you have not mention the model of lg 32" what i suggest is lower the resolution of your hp pc tp 800 by 600 and gradualy increase the res to get the picture which matches the plasma
hope this will solve your problem
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.
Hi Sarah, You may want to try lowering the resolution of your computer down first before connecting the 42PX5D. Since everything seems to be working except when you get to the desktop then your PC might be set to a resultion that's too high for the LG (am not 100% sure, but I think that LG's max res is 1024 X 768). Try to adjust your PC's resolution while still connected to a regular monitor, right click on any free/clear part of your desktop and click properties. Display Properties window will pop-up, click on Settings tab, adjust Screen resolution towards the left,trym lowest posiible, color quality, again lowest possible. Then hook it up to the LG. If desktop now displays in LG, do the same again but this time going up. Do it by increment and stop when LG screen goes blank. Press escape to go to setting prior to blank. Adjust color quality best setting acceptable to the LG. Good luck and hopes this work out for you. Regards.