Question about Samsung LN-S2651D 26 in. LCD Television

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Same thing It says the same thing, mode not supported, when I try to plug in my laptop.

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Re: Same thing

It's fine, i figured it ou. My laptop's a widescreen and the TV didn't support 1280x800, which the laptop was set to. once i changed it to 1024, it worked like a charm

Posted on Sep 09, 2007

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Re: Same thing

Normally, you will need to change a setting in your control panel of your laptop to a monitor output. You can change it from your LCD on your laptop to Monitor only or change it so both will operate at the same time. I use my laptops to play DVDs on my customer's televisions to check for some video issues. I'm not in my shop today, but, if you still have problems, respond to this post and I can get back to you later on in the week.

Posted on Sep 09, 2007

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I have my laptop plugged into my 32" Dynex TV and the only thing that is showing up on the TV is my desktop picture and the resolution preferences window when i open it. Is there a way that i can fix this?

sounds like your set up on extended screen where your laptop still show desktop and your tv shows only the desktop picture. if you have a fn button or like, should be next to the left ctrl button press it and on my laptop its f4 but maybe different on yours should scroll through the different output modes. failing that check your output modes on your laptop going to control panel/display properties and change your settings. hope this helps i can't tell you how to change them or what to change them to as i got a intel setup program for doing it.

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To play laptop thru samsung tv I am attempting to play laptop movie thru tv. I have tried the rca y cable with 3.5 mm plug from headphones of laptop to red and white audio in on the samsung tv., no sound....

So you are connecting the laptop to the TV using VGA port of the TV, right? To get sound in the PC input mode, you need to use the PC audio input jack (green jack, mini 3.5mm jack) not the RED and White RCA audio input, they are for Composite Video AV inputs. That is how I have my laptop and TV setup to watch Netflix.

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Pc input mode not supported

Try an adapter to the video input. Allot of places sell them. Best Buy Comp USA Radio Shack. It is VGA but if there os no support that is thle best way.

Check the cable there are a few vatiations.

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I have a Samsung Series 6-650 LCD TV (Model # LN46A650A1F). I am trying to connect my Laptop to use the TV as a monitor and have done everything to make it work, using a VGA/HDMI cable, but the TV refuses...

Why do you use VGA-HDMI cable? This TV works fine with VGA cable - it has VGA plug.
Or if your notebook has DVI output, then you can use DVI/HDMI cable and connect it to the TV to plug named DVI/HDMI (only one HDMI input is marked as DVI on TV).
I suppose that over HDMI the TV supports only some standard resolutions, but over VGA it supports almost every resolution laptops use. You can find supported resolutions for each input in the TV manual. Try setting the same resolution on the laptop.

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1 Answer

My tv says mode not supported when i plug my playstation 3 in ?

The resolution form your game box is to high for TV to support, try starting at 640x480 first and go up from there.

Jan 06, 2010 | Flat Panel Televisions

1 Answer

I have a Samsung LCD TV, model # LN40A450 with a PC input. I connected my Dell Vostro 1310 laptap to the PC input and I consistently get a "Mode Not Supported" message on the TV screen. Why? I had a...

You TV will only accept specific signal formats (modes) through the PC input. Check you user manual for compatible modes. You then need to set screen 2 (your laptop VGA output) to 1 of the compatible formats (PC display settings). A common format/mode example would be 1024 x 768. Try it out and see if you get a picture. You can then increase the resolution 1 at a time to find the best format/mode for your purposes. I hope this was of some assistance.

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I am trying to hook up my HP Laptop to my 47'' Insignia HDTV. When I plug in the display, my laptop displays only my desktop background and the tv says ''Mode Not Supported''. I am unable to even change...

try changing your resolution for your laptop before you plug in your TV, the screen refresh rate of your monitor,(click the following, control panel, personalization, display settings, advanced, monitor Tab). Also what make/model video adaptor are you using, try updating the drivers, if this helps, please give a fixya rating. Thanks

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2 Answers

No Display

for the HD15 connection you need to set your TV to PC mode


the only thing I can think that you may be doing wrong is that you need to "ACTIVATE" the external outputs on the laptop,as they are not on by default.


To switch video output mode  LCD / CRT (monitor/PC mode) /TV mode plus some dual modes LCD + CRT / LCD + TV


I have found that the overlays used for video playback do not work in the dual modes,  (and I have found that CRT monitor mode is best for connecting to a large TV)


so switch your TV to PC input,  connect your HD15 cable and SWITCH output mode on your laptop (usually Fn F5) press until you get an output,


you will also need to connect audio, so get a phono -> 3.5mm jack plug and plug that in also, and you are ready to rock and roll

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