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This TV has a PC interface VGA (HD-15) , so all you need is get a VGA to VGA cable to plug between the VGA output on the PC and TV.
On the PC select the display as external monitor.
On the TV pick the PC input as required input, not the TV tuner.
Here is the manual.
Hi Jatinder Kumar ,
Yes you can connect your computer output to lcd tv through dvi-hdmi cable or vga-hdmi cable.
1. Connect to HDMI (DVI) : just plug in HDMI (DVI) out of PC or laptop to HDMI or DVI TV. Than select source from HDMI.
2. Connect to PC : Plug D sub to TV, select PC in.
If you are unable to view video on your television set, the issue may
be that the TV's video input selection does not match.
The TV input source must match how the device for example DVD player is connected to the TV. At the back of Samsung's LN40A650A HDTV are three HDMI
inputs, plugs for component input, an antenna input for the DTV receiver and
a VGA input. Please check on what port the device is plug.
To correct the issue, use the TV's remote control and change the video
Press the Menu button on the remote control and navigate to TV Input
Only ones that are actually connected are
highlighted and available.
If there are multiple device connected please make sure you select the device you want to connect.
You may also check if all cables are properly connected.
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.
Most common problem is the VGA cable. Make sure you have the 15 pin VGA Monitor cable.
1. Switch off the TV & Notebook
2. Connect the VGA cable to the TV and Notebook.
3. Switch on the Notebook. Set the resolution to 800 x 600 Pixels (Go to Control Panel - Adjust Screen Resolution). Then go to Advanced settings and set 'Screen Refresh rate' as 60 hz in the Monitor tab,
4. Switch on the TV. Go to Source button from the TV remote and select PC as input source. Alternatively, you can go to 'Menu' and select 'PC' as input source. If the connection is made properly, PC option will NOT be GREY anymore.
5. Press Fn + F5, F6, F7 (depending on which Notebook brand you have)
Atlast I got some help from the right people (Samsung)! I would like to share it with others facing the same problem:
If you are using the D-sub 15 pin jack (VGA Monitor Cable: make sure its 15 pin and NOT 14 pins), follow these steps:
Make sure your TV and computer are off.
Using a 15 pin D-sub (standard) video cable, connect the Video Out jack on your computer's video card to the PC In jack on the back of your TV.
Using an audio cable with a min-stereo plug on one end and two RCA jacks on the other, connect the Audio Out jack on your computer to the left and right PC Audio In jacks on your TV. (Note: If you have your computer connected to separate speakers, you can skip this step)
Switch on the Notebook and Adjust the Resolution (800 x 600 pixels would do). You can go to Control Panel and Adjust the screen resolution. (Keep ‘Screen Refresh rate’ at 60hz in the Monitor Settings)
Switch on the TV and try to Select the Source as 'PC' (you can do this by either pressing the 'Source' button several times on your TV remote or go to the Menu - Setup and Select the 'PC' as source there).
In most cases, after following the above steps, the TV would start to show 'Auto Adjusting' message and it will start showing your Desk top on the TV. But incase it doesn't work, you can do the following:
a.Mostly the problem lies with the VGA cable. Make sure you have the right one (15 pin) and its securely attached at both ends. If you are not using the right VGA Cable, it means that there is no connection between your TV and Notebook. Your TV will show 'PC' in Grey in the Source Input list (Go to ‘Menu’ from the TV remote). b.Both your Notebook and TV should be switched off when you are connecting the cable otherwise one of them might have a problem detecting the other one. c.Try Pressing Fn + F5, F6, F7 (depends on which Notebook brand you are using) on your Notebook several times. At times, you will see some signs that the Notebook and TV are trying to connect. Select 'CRT' from list of displays available to you.