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PC Connection problems with TV LE40R8

My Samsung LE40R8 keeps shutting down when I change to PC, when my laptop is connected to it via a serial cable. How do I get the PC connectionto work correctly.


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  • tedc1 Apr 21, 2008

    I have exactly the same problem with a my samsung le40r8 the tv turns off everytime when it is connected to the tv

  • Anonymous Jul 11, 2008

    Yep exacty the same here

  • blondecheer Jul 13, 2008

    when ever i change over to pc on on my smasung tv it turns it self off

  • inkastad Nov 07, 2008

    What's a KVM? I have the same problem but can't get it to work...

  • Anonymous Dec 23, 2008

    The same with Dell Latitude D620...


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I've managed to fix this problem with my setup - A Tranquil T2-WHS-A3 using the built in SiS 662 Mirage 1 IGP.

I had the same issue. When I connected the computer to the scren using the vga lead, the screen would power off. I tried a number of different (in spec) resolutions - all the same result. Note that this computer worked fine with two other monitors.

I have now put a KVM between the computer and the monitor. This KVM is serving no pupose but getting in the way! However, it now works!

My guess is that either my video card is outputting slightly over the spec voltage on one or more of the vga lines, or the TV is being picky and wanting lower than the max spec. With the KVM in the way, some of the voltage is dropped across and so it works.

One thing to note I still can't get the largest spec resolution (1360 x 768) to work. but 1024x768 and 1152x864 do work.

Hope this helps!

Posted on Jul 12, 2008

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You need to connect your PC to either your TV or your receiver. Also, if you have XBox, you can watch Netflix through it (thought I'd suggest, just in case).

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