Question about Magnavox 39" LCD 1080p HDTV 39MF412B - PHILIPS CONSUMER ELECTRONICS B.V

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This tv does not support the output format video Resolution and or refresh rate being sent by the connected device

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I have a 42 in Sanyo DP42647. If there is something like a logo or words that stay on the screen for more than a few seconds it looks like it is burned in. It eventually fades but by the time one fades...


Cause of screen burn typically is pixels are no longer showing full range of color. Typically a shop would cycle screens or blocks of very bright colors alternating colors to unstick any pixels not showing full range of some color. Setting tv back to factory default then adjusting could help also turning up brightness. Change color settings from cool to warm could help. Could also be a refresh rate. Verify tv is set to display at same rate as input device like cable box set to output 1080i while tv native is 720p. Just because there is a pic doesn't mean they are synced.if tv has to convert signal from 1080i to 540i then resize to fit 720p tv it may slow refresh rate tv is trying to display progressive scan image but not enough data is coming in so it redisplays previous image on every other line.and new data on every other line.
solution is check output video settings of source to match native resolution of tv. Hd cable box this is common as tech sets output to high resolution 1080i most inexpensive tv are 720p

Mar 14, 2014 | Sanyo 42 in. LCD TV

1 Answer

Component input ports not working


If its only 1 month old, first try a different device in place of the XBox if it still does not work, take it back and ask for a replacement.

Dec 21, 2013 | Zenith Z50PX2D 50 in. Plasma HDTV

1 Answer

Out of Range problem with LED 19 inch viewsonic monitor


What is the source for the signal to the monitor? First, if the source is a computer, was the computer previously connected to a CRT monitor? If this was the case, you may have the wrong refresh rate as well as the wrong resolution being sent to the video port. Reconnect the computer to the old monitor (if possible) and reset the refresh rate to 60 Hz.

Next connect the monitor to the computer with both devices off. Then turn on the monitor and set it to the correct input (if needed). Then turn on the computer. Most versions of Windows should determine the best resolution for the monitor. (Some Unix versions and recent versions of the Mac OS will also automatically find the correct resolution.) If you are still getting the out of range message, you need to change the video resolution with a different monitor connected and then retry. Always turn on the monitor first.

For additional support, please add a comment with the specific monitor and source that you have. In a few cases, the video card/on-board video may not be able to output the correct resolution or lose the correct setting when the monitor or computer "sleep".

I hope this helps.

Cindy Wells
(I've seen most "out of range" messages with several TVs that were connected to computers and turned on and set to the computer input after the computer booted up.)

Aug 12, 2012 | ViewSonic Computers & Internet

1 Answer

Connect Computer to TV Toshiba 19AV600U


There are a couple of options for connecting a computer to a tv. For the Toshiba 19AV600U, you can use the HDMI or VGA ports, depending on your computer. First identify the available video ports on your computer. Make sure that the port is active. (Some laptops disable the external video port to save energy; this may need to be enabled in the BIOS). Get an appropriate video cable (VGA M/M, HDMI to HDMI (M/M) or HDMI to DVI (M/M)) and an audio patch (3.5 mm M/M) cable (if using VGA or HDMI to DVI) and want to use the TV speakers. Turn off both the computer and the TV. Connect the two devices. Then turn on the TV and set it to the desired input.

Now turn on the computer. If the TV is the only video output device connected, a modern Windows machine will probably correctly set the screen resolution correctly. Make sure that the refresh rate is set to 60 Hz for most resolutions. If your computer is a laptop or is connected to another monitor, you will need to adjust the graphics output. On my HP laptop with Windows 7, I right click on the desktop and choose Display Properties. This lets me select output to the internal screen, external screen, an extended screen, or having the same output on both screens. The last two work best when the screens have the same native resolution. After selecting the display, an "are you sure" message will come up. Click OK; otherwise the computer will revert to the previous setting. On my desktop with Win7, this is under Screen Resolution. You can also get here through the Control Panel > Appearance and Personalization. For other versions of Windows, the path is slightly different. (I'm not sure of the routine for Unix or Mac OSX.)

If you want a wireless connection to the TV, you will need an appropriate device. Follow the directions for that unit. (HDMI wireless devices exist but I have never used them.)

The manual for the TV is available here: http://a248.e.akamai.net/pix.crutchfield.com/Manuals/052/05219AV600.PDF . See page 18 and page 51 for screen resolution choices.

I hope this helps.

Cindy Wells

Oct 06, 2011 | Toshiba 19AV600U LCD TV

1 Answer

We have a bang and olufsen beovision 7 40 inch tv. when we try to connect our laptop through vga port the tv appears blank without any display, tried connecting the laptop through dvi port also. The...


First, try setting your monitor refresh rate at 60Hz using a known-working monitor. (The VGA input of the Beovision 7 is recommended for 60Hz refresh rate). If this fails to produce output from the Beovision 7, it is very likely, your video driver's resolution is set too high for the Beovision 7 to display signal. If you are using the Beovision 7 as your primary monitor, first connect a known-working monitor to the computer and reduce the resolution to 1024x768. Once you have changed the resolution, try connecting the Beovision 7. If you get video signal, increase the resolution incrementally until you find the maximum resolution the Beovision 7 will handle.

IF YOU ARE USING THE BEOVISION 7 AS A SECONDARY MONITOR USING EXTENDED DESKTOP, reduce the resolution on Monitor 2 output to 1024x768. If video appears on the Beovision 7 at that resolution, incrementally increase the Monitor 2 resolution until you find the maximum resolution the Beovision 7 will accept as a secondary monitor.

Jul 14, 2011 | Televison & Video

1 Answer

How do i connect my pc to my LG 32LF77SO I CAN GET SOUND AND VISION


Most HDTVs today have a 15-pin VGA input so to hookup a PC, just connect a VGA monitor cable from the PC monitor output to the HDTV VGA input port. This gives you video. For audio, you can connect a stereo audio cable (3.5mm) from the PC soundcard speaker jack (usually green) to the HDTVs audio input port next to the VGA port. Next you need to adjust the settings for video resolution and refresh rate on the PC so that the HDTV is compatible. Look in the HDTVs owner's manual for a chart showing the acceptable video screen resolutions (1024 X 768) and refresh rates and adjust the PC accordingly. You should now have video and audio on the TV. For a laptop, it depends on what outputs it has, VGA, HDMI or S-Video but this can be done as well.

Mar 26, 2011 | LG Televison & Video

1 Answer

When i try to connect my laptop to my rca l40fhd41, it will show for a few seconds then a message comes up on the tv "unsupported" and it wont work as a monitor.


You need to reset the laptop video screen output resolution and refresh rate to something compatible with the HDTVs acceptable parameters. Consult the TVs owner's manual for a chart showing the acceptable screen resolutions and refresh rates. You are looking for numbers like 1024 X 768 or 600 X 800 for screen resolution. Your laptop will allow you to setup different screen resolutions for output. You just have to find one the TV likes.

Mar 23, 2011 | RCA L40FHD41 40. in HDTV

3 Answers

LCD TV and VGA output


The resolution and refresh rates have to match exactly to the TV for it to work correctly with the computer.

The newer computers are using much faster refresh rates by default. Their default resolution is also different.

Consult the manual for the TV and see if the computer's external monitor output can be set to match to what the TV exactly requires. Both the refresh rate and resolution are critical.


Jerry G.

Apr 20, 2008 | Televison & Video

1 Answer

HDMI blank picture


Check to see if the TV can support the resolution and refresh rate (ie 1920X1080 at 60HZ) Most HDTV's have a limited number of resolutions and refresh rates that they are compatible with. When the computer is booting up, it is probably using a default resolution that is compatible with the tv. Then after the computer finishes loading all of it's drivers, the resolution changes to one not supported by your tv

Dec 27, 2007 | Sony Grand WEGA KDF-60WF655 60" Rear...

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