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Connecting Samsung Le23r81 to Geforce Go 7600

by aldi76 / September 20, 2008 7:50 AM PDT


I'm trying to connect my brand new Samsung le23r81 to my laptop, with Geforce Go 7600 as graphics card. I'm doing it through the 15-pin VGA cable (that's actually the only way, no other ports in this card), that goes to the "PC IN" port on the back of tv. Unfortunately, this doesn't work - despite all my efforts the "PC" in the sources list is greyed out for the whole time, and pressing the "source" button on the remote just switches between Ext1 and Ext2.

On the other hand, the PC at least seems to be trying to do something - if it's connected to the tv, then during startup it doesn't display the thing it usually do (manufacturer logo, option to enter bios settings) - just as if it detected that the lcd is connected and tries to display it there - no luck for him, though; no reaction on the tv side. It all vanishes when windows (XP) starts loading - this is displayed on the PC monitor as usual.

When the systems starts, in the graphics card options there is a new device that wasn't there before connecting the tv - another positive sign that at least something is working. Unfortunately it's something called "analog monitor" (or "analog device?", not sure, forgot to write it down, but it surely had "analog" in the name), while my google search provided that it rather should be more specific and list "Samsung" on the device list, insted of this.

Then I can change the resolution, refresh rate (tried all combinations), set it as my main display (bad idea, since it's not display anything anyway), toggle on the "Clone" or "DualView" options - the PC is working just well, like there was second working display device: stretching the desktop, allowing me to move my mouse cursor outside the display (seemingly to the second one). Nothing of this makes any inpact on the tv, still no pc source available.

I tried connecting other PC monitor to the mentioned port, and it worked, so it's not the card/port fault. It had its own, not removable calbe though - and since I have nothing else to connect I can't check if the cable I'm using is working correctly - but I think it's safe to assume that cable is somehing so simple that its either working or not, and since the computer detects the lcd it IS working... no other way to check it for now anyway, so I would like to try all other possibilites before looking for a new cable.

I also found on the net the advices to install newer drivers - mine are "" dated to "2006-06-12" (don't know what's this samsung model production date, but I doubt that it's any new one), and I couldn't find any newer ones for Geforce Go 7600 model. Any advice what else could I do?

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by aldi76 / September 25, 2008 1:10 AM PDT

Hello, anyone?

I've seen Mr Samsung answering lot of threads yesterday, but I guess this one have sunk too far in the boards, so I'll give it another try by bumping it...

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try this...
by Mr__S / October 6, 2008 4:02 PM PDT


Well, it sounds like you?re pretty thorough in your testing.

If the PC part is greyed out, I would highly recommend that you start the computer, plug it in, and then start the television. That way, when the television does its POST (Power On Self Test), it will detect a signal that should engage the PC source.

Graphics cards are all a little different, so it?s hard to guide you through the settings. I?d still check to see if you?ve got the latest and greatest. But try powering your TV on after hooking it up to your computer first, before you search for an upgraded driver. If that fixes it, you should be good to go.

The TV doesn?t recognize the television because the 15-pin input is not a plug-and-play source. It may only detect the unit as a monitor with a certain resolution range. You also want to be sure that you?re sending the signal out of the 15-pin cable. Many laptops have a control+Fkey combination to send that signal out.


Mr. Samsung

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