The resolution setting on your pc must be in the acceptable range for the monitor to handle. Look in your tv owners guide to see the resolution range and make sure your pc is not over that range or it will not work. Good Luck
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Identifying available connections
The first step in connecting your computer to a TV or projector is finding an identical port on both machines. Once the matching port has been identified (one that is the same on both your input device and output device), you need the appropriate cable to connect them. This section contains a picture of the back of an Epson projector and its available connection ports; as well as descriptions of each.
The HDMI connection is very popular among display electronics. In fact, nearly all modern televisions and projectors feature HDMI ports. Most laptop computers support HDMI and it is becoming more prevalent on both desktop as well; even without a high-end video card. HDMI is quickly becoming the standard for all electronic equipment for its high quality signal and ability to carry both audio and video signals. The image to the right is that of an HDMI cable.
The VGA connection is the most common among both desktop and laptop computers, is found on most projectors, and some TVs. The VGA cable has a 15-pin connector on each end that plugs into a VGA port on each device. Due to the fact that most televisions do not support VGA, we recommend using HDMI for their wider range of compatibility.
Tip:VGA cabling is universal for devices that support it. For example, the if your desktop monitor that uses a VGA cable it, that same cable can be used by a laptop to connect it to a projector.
Note: If you are using an Apple desktop or laptop you need a VGA adapter to connect a VGA cable to the computer.
The DVI connection is newer than VGA and it offers a sharper image. Although the DVI port is not shown on the Epson model above, it is still somewhat common for projectors, not so much for televisions. It is mostly found among desktop computers for monitors, but some laptops have DVI connections as well (Apple laptops are more commonly known to support DVI than any other brand of laptop). Since finding DVI on a TV or projector is more difficult, we again recommend using HDMI cables.
Tip: There are special cables that convert from DVI to VGA or DVI to HDMI and vice versa.
The composite video connection is quite common on a TV or projector, but it is nearly nonexistent on modern computers. This connection is the yellow female cable on what is normally a three bundle of red, white, and yellow. The only time you should see this setup is on older video cards for desktop computers.
The S-Video connection is also commonly found on TVs and projectors, but solemnly on a desktop or laptop computer. This connection is a small step up from composite video, but is nearing obsolescence.
Connecting computer and projector or TV
After you've identified what connections are available on both your computer and TV or projector, you're ready to connect the cables. If the same connections are not available for both the computer and TV or projector, you'll need to purchase a video converter cable that converts one signal into a compatible signal.
For a desktop, you simply need to plug the cable into the computer and output device. If you don't see an image, you may need to change the display using the following steps.
Press the Windows Key.
Type Adjust screen resolution and press Enter.
Find Display and click the down arrow on the right-hand side of the box.
If you're connecting a laptop computer to a TV or a projector you'll often need to "send" the video signal to the display device. The key sequence to do this varies depending on the laptop; but usually it's either: Fn + F3, F4, F5, F8, or F9. For example, pressing and holding Fn + F3 at the same time on my laptop sends the video signal to my connected TV instead of the laptop's screen. The corresponding key used with Fn may be labeled as CRT/LCD or have a picture of a monitor on or close to the key. Additional help and information with switching the laptop display can also be found on the link below.
Switching TV inputs
Finally, if you're connecting a computer to a TV make sure it has been switched to the correct input. For example, if you connected an HDMI cable to your computer and the "HDMI 2" port on your TV, you'll need to switch to the "HDMI 2" input. This action can be accomplished by pressing the input button on your TV remote until the correct image is displayed.
on your computer, go into your vga graphics driver and hit properties, set it for dual and hit apply. close the box. then go to the graphics,options, look for dual. make sure the wire is tightly in your tv and computer. switch your tv to vga. it should be lit. then you should see your desktop on your tv screen.
There are a couple of options for connecting a computer to a tv. For the Toshiba 19AV600U, you can use the HDMI or VGA ports, depending on your computer. First identify the available video ports on your computer. Make sure that the port is active. (Some laptops disable the external video port to save energy; this may need to be enabled in the BIOS). Get an appropriate video cable (VGA M/M, HDMI to HDMI (M/M) or HDMI to DVI (M/M)) and an audio patch (3.5 mm M/M) cable (if using VGA or HDMI to DVI) and want to use the TV speakers. Turn off both the computer and the TV. Connect the two devices. Then turn on the TV and set it to the desired input.
Now turn on the computer. If the TV is the only video output device connected, a modern Windows machine will probably correctly set the screen resolution correctly. Make sure that the refresh rate is set to 60 Hz for most resolutions. If your computer is a laptop or is connected to another monitor, you will need to adjust the graphics output. On my HP laptop with Windows 7, I right click on the desktop and choose Display Properties. This lets me select output to the internal screen, external screen, an extended screen, or having the same output on both screens. The last two work best when the screens have the same native resolution. After selecting the display, an "are you sure" message will come up. Click OK; otherwise the computer will revert to the previous setting. On my desktop with Win7, this is under Screen Resolution. You can also get here through the Control Panel > Appearance and Personalization. For other versions of Windows, the path is slightly different. (I'm not sure of the routine for Unix or Mac OSX.)
If you want a wireless connection to the TV, you will need an appropriate device. Follow the directions for that unit. (HDMI wireless devices exist but I have never used them.)
If your Television has netflix installed on it, you will need to connect the television to the internet and follow the on screen instructions to enter your information.
If it doesn't, you will need a device that has netflix on it that can connect to the computer (an xbox, PS3, Wii, or compatible player) that can connect to the internet. Again, connect the device, choose netflix, and follow the onscreen instructions.
I can provide more details about these on screen instructions if I know what device you are using.
As a third option, you can connect your laptop to the TV with any video or audio cord. HDMI is a favorite if your computer has an HDMI output port and your TV has an HDMI input.
You can connect the TV to the computer using the HDMI cable. All the latest Sony VAIO Notebook computers are shipped with a HDMI input port.
1. Once you have connected the TV and powered it ON verify if the TV is detected in the computer in the device manager.
2. Press the Windowds logo key+R letter key together to open the Run window.
3. Then, type the command "devmgmt.msc" without quotes to open the device manager window.
4. Now, locate the monitors option and check if two PnP monitors are listed.
5. If yes, then close the device manager window and press the Fn+F7 keys to toggle the computer screen from computer to your TV.
This will display the video to your TV.
To enable sound output through your TV, follow the steps provided below.
1. Click on start, Control Panel and then on Hardware & Sound option.
2. Click on Sound to open the sound properties window.
3. In the Sound properties window, click on the performance tab and select the HDMI device i.e; (your TV) as the default audio device.
4. Click on Apply and OK. Close teh open windows.
This will output the Audio from your TV.
In most cases generally, Laptops need to have their display output changed to direct the display away from the screen. Again, generally you may find a picture of a "TV type" logo on your upper keys that you use with the "function/Fn" key. This will allow you to direct the display to an output source.
If you have your Users Manual peruse that firstly as there is no "one" rule that covers all situations in setup and display of computer hardware.
If this is not the case, you will need to provide more information such as the Laptop name and model number. Also, could you please supply the type of connection cable you are using.
Display AssemblyRemoving the Display AssemblyCAUTION: Before you perform the following procedures, see the safety instructions in the Product Information Guide.NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.NOTICE: To avoid damaging the system board, you must remove the main battery before you begin working inside the computer.
From user manual (page 68): Your computer comes with a built-in display panel, but you can also connect an external display device to an available video port, as follows: ❖ An external monitor or projector via the RGB (monitor) port ❖ A TV, VCR, or DVD recorder via the S-video (TV-out) port Before connecting an external monitor or video projector, configure your computer for the type of device you are connecting. To do this, refer to the documentation for your operating system and devices
So you have to use an RGB cable or a S-video cable : your cable should be plugged into 15 pin VGA port in your PC and plug it into a correspondent port in your TV. Try also S- video and select correponding input in your TV set (Both connection type DO NOT carry sound: use your audio connector from PC to TV audio input.) Configure your extended screen using your manual instruction: Once you have connected an external display device, you can choose to use the internal display only, the external device only, or both simultaneously. The quickest way to change the display output settings is to use the display hot key (Fn + F5): 1 Press Fn and F5 simultaneously. 2 While holding down Fn, press F5 repeatedly until the setting you want takes effect. Briefly pause each time you press the F5 key to allow time for the display to change. This hot key cycles through the settings in the following order: ❖ Built-in display only ❖ Built-in display and external monitor simultaneously ❖ External monitor only ❖ Built-in display and TV ❖ TV only