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Samsung LCD TV not receiving PC signal

TV isn't accepting PC input.

What I've tried.
I have connected my computer to my Samsung TV via the VGA input.
I have also pressed the Menu button and highlighted the Source option. However the PC field is still grayed out and can't be selected.

I have connected two different notebooks but it is still not working.

TV model code: LA32R81BDX/XSA
Serial no: AHCS3MKPB00502K
Version: CM05

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  • Anonymous May 31, 2008

    I've got the same problem with my Samsung Television.

    In my case I have split the signal between the monitor and the VGA output...it seems that it isn't a resolution problem it's the absence of a signal problem.

    Is there some reason this feature would be disabled on certain models but the vga port and the menu option (although grayed out) would still exist?




  • nick315 Aug 22, 2008

    I have the same problem and I have checked my resolution, I have cloned the display, I have even checked the signal on other monitors. I have used all types of resolutions (at 60hz) and it still doesn't show up on my samsung monitor. The pc option is still grayed out. I know it is sending signal and my Sony VAIO even recognizes what kind of TV it is, but the darn TV doesn't 'get it.' If it is seriously this hard I don't know what samsung bothers putting the port on the TV. Then again maybe mine is defective. It does work with HDMI, but I figure I can get the correct resolution and a more crisp picture with the VGA cable...

  • Quiki Dec 23, 2008

    I have problem with Samsung LE37M86BD.

    I got it like 9 months ago and when I got the HDMI cable I started to have problems. Once I fixed it just by shutting down my computer and television and starting them in different order. Boom it works!! Then comes the time when I need to move my PC and that means disconnectin every cable that it is on.

    After I did what ever I was doing with computer (moving it, going to lan, or just cleaning it) I put it back to my room and connect cables. After I put it on and I put TV on. TV cant find HDMI2, but computer finds TV and names it "Samsung"

    I had this problem now 3 or 4 times :) and now I have it again.
    Though im getting so bored with this and I want to know why it is doing things like this, because there is no logic in this.

    I can start to turn computer and tv again and again and again, and not knowing will it work or not.

    So as I assume it is TVs problem?

    My PC:
    Core2Duo 67xx
    XFX Geforce 8800GTS ALPHA DOG
    2GB ram
    xxxxGB.

    My TV
    LE37M86BD

    HELP PLEASE!

  • Fireknackers Jan 20, 2009

    my sony viao laptop dosent connect to my samsung LCD tv, i have checked the cable with my pc and connects automatically, therefore its defo the laptop ! any suggestions ?

  • honingdauw Mar 07, 2009

    I have the same problem. Samsung LE32a330 lcd television is not receiving my pc. We connected through VGA. As we are using a mediacenter we really want to make this work.

  • manishboya Mar 08, 2009

    i have tried to connect my samsung lcd tv with 5mtr. long vga cable but could not do so.my tv model is LA32A450C1LXL

  • Karl Whisenand
    Karl Whisenand May 11, 2010

    have you set the computer resolution to 1024 x 768 60hz refresh .
    and doe the tv need you to define the inputs first in the menu setup?

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Check your vga cable. Some cables have only 14 pins, some have all 15. The missing pin is pin 9, in the 15 pin cable it carries 5v from the graphics card to the screen. Without that 5v signal most LCD and Plasma television screens won't recognise a PC input. I had the same problem and only managed to fix it when my girlfriend swapped a cable over for me and as she did so glanced inside and said "it's got a bit missing" The cable that came with your PC most likely only has 14 ins as that is all a monitor screen needs.
You can buy a 15 pin cable at most PC or electronic shops, just check that isdoes have all 15 pins befiore you buy it. The cheap ones are just as good as the expensive ones unless you are buying 20 foot cable. For 6 foot cable the cheap ones are just as good as the expensive ones.

Posted on Sep 20, 2008

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You more than likely are not SENDING a signal FROM your PC so the option is not available. Get your computer set up for TWO displays and select CLONE if that option is available so what you see is what you get.

Posted on Mar 08, 2008

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Hello!

This Samsung LA40C350 TV requires all pins are connected from D15 D15 VGA cable
Some cables what they sell in market dont have all wires connected. Only RGB, Grounds and Horizontal and Vertical sync but missing other connections
Samsung uses those other pins detect if PC is connected or not.

Next time you buy VGA cable, take multimeter with you and check that all pinns are connected through, before buying cable.

Best Reg: Eero






Posted on Jan 31, 2009

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Check this forum out - the problem is potentially due to the PC/ VGA input being set to autodetect.

http://forums.cnet.com/7723-21577_102-376048/52-lcd-tv-does-not-recognize-vga-input/

Posted on Feb 04, 2013

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Working cables are available on ebay. Search 'samsung hdtv pc cable'.

Posted on Sep 21, 2009

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