Question about LG 42LC2D 42 in. LCD HDTV

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Pc mode I was able to connect my pc to my 42LC7D tv, but no matter what I do, resolution, size, position etc., I cannot get the pc screen to "fit" onto the lcd tv. It remains just too big on the lcd. I have changed the settings on the tv and the settings on my pc. Any suggestions?

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Re: pc mode

To get the best picutre set your PC to a resolution of 1360x768. Then press the adjust button on the remote to set the TV to the same resolution.

Posted on Jan 09, 2008

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Many people today want to connect their computer to a TV. Most HDTVs today have a VGA input for computer hookup. Most laptops also have a VGA output for external display. Using a male to male VGA cable, the computer can use a HDTV for a display. Sound is connected using a 3.5mm audio cable. See this web page for complete details. or this webpage

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Will parts from a 42lc7d tv fit a 42lg20 tv..?

if your are referring to boards the pwr supply and tcon and inveter board will be diff because of size of lcd ,main board might be same have to ck part#'s on board

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1 Answer

Trying to watch laptop through TV screen but when I connect cable and choose pc button on remote, I get a message 'out of range'. This cable works ok on another small tv so assume the cable is not the...

You will have to go into your computer video card's control panel, and configure both the dual screen mode and the resolution of each screen.
Some screens get crazy when the resolution doesn't fit properly, so try changing resolution if you keep having that problem.
Good Luck!


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How can I connect my Dynex DX-32L151A11 32" LCD

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To use the TV as a monitor will not be as good as the PC monitor due to limited resolution the TV can display.
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I have conected my toshiba laptop to my sony flat screen tv. but I can't get full screen on my tv? ps connection is via vga cable.can you help.

there is a good change you can't get it to fit exactly. I have come across this twice and the tv needed to be a 1080 p tv to work full screen. if you have 720 you can try various resolution output from your computer. 800x600 ect. other wise it might not fit exactly.
-good luck-

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1 Answer

Invalid format message when trying to use the RGB(PC) port

Honestly, that sounds like one of two things happened. Either the resolution of your computer video card changed or (I'm not sure with your specific TV) the TV's resolution changed.
If through the TV menus you can adjust PC resolution, I would try changing the resolutions. In the LG 47LB5DF TV, press Menu, then go to Picture, then go down to Screen. On the screen menu, you will see Resolution, Position, Size, Phase, and Reset. First try adjusting the Resolution to some of the options you see. If that doesn't work, try to reset the screen settings.
If adjusting those settings on your TV does not help, then you will have to change the resolution through the computer. Try connecting a monitor to the computer. If you get a picture through the monitor, on the desktop right click and select Properties. If using XP go to the setting tab, if using Vista/7, select Display Settings. Lower the resolution to something you think the TV will be able to handle, then connect the PC to the TV again. If you are using an HDMI connection to the TV, you may have to turn off the computer, connect the cable, then turn the computer back on with the TV on the correct input.
If the monitor doesn't show the picture or if you don't have another monitor, you can try adjusting the picture in safe mode, by pressing F8 after you press the power button, before you see the Windows loading screen. Press if multiple times if necessary. You should see a screen that gives you a few startup options. Select Safe Mode. After Windows boots up, you should still see the screen as the resolution would have been reduced. From there try changing your display settings.
Hopefully that info has helped. I noticed that you asked this question 2yrs ago, so I hope you have already figured out how to fix your problem. I simply wished to post this in case it would help you or anyone else had a similar problem. Good luck and take care.

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