Question about LG 42LG30 42 in. LCD HDTV

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I have acer 5620 with lg 52 inch. i hooked up rgb cable and switched to rgb on my tv. when i switch on my labtop windows pops up on the tv but goes black on my pc..and then when it goes to my log in page tv goes black and says no signal,

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Ur backlight video board is dead,Must replace the board.

Posted on Oct 03, 2009

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Posted on Jan 02, 2017

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When I switch from one HDMI input to another I get a no signal & spinning LG box. after several minutes it gets a signal


Try a different HDMI cable, then try the other HDMI inputs on the TV, then try to connect another HDMI device to the TV. If all are still bad main board needs replaced

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Lower the screen resolution to 720 dpi.

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My labtop 5630z my touchpad not work i tray to


Dear friend your touchpad is locked & that's why your not able you use it. For unlocking use FN+F7 after running your operating system.
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LAMP pull it out and see if it looks busted on the inside.

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Same problem for me too!

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Need assistance hooking up JVC VCR/DVD combo onto LG 52" DLP TV with Home Theatre System and Rogers HD PVR Box.

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1 Answer

DVD VHS recorder


It sounds like your cables are connceted ok, but what you neede to do is to be able the switch from one video mode to the other so lets go through the cable and vrc conncetions again just to make sure. From your cable set top box connect your component video (RGB) video out to your TV (RGB) video in via the (RGB)cables. From your VCR connect your composite video (yellow) out to your TV composite video in withe the composite video (yellow) cable. From your VCR (Left & Right audio out)connect your left and right audio connections (White and Red) to the Audio in of the TV (Left and Right). Whith this setup you should be able to use the TV to switch between the two A/V inputs using the remote control.

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Depending what cables you have, try plugging only the yellow cable into "video out", I previously had red, white, and yellow cables plugged into "comopents out" and only got black and white. Doing only the yellow into video out gave me color.

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