My gateway t-6330u hdmi cannot connect. It shows the the external monitor is connected but my TV set shows no signal. and it worked perfect couple month ago

Check your settings,both bios and display,for the display priority.Either the settings has been set to inbuilt display and thus cant display on external monitors or the external monitors have been disconnected in bios settings

Most TVs will have HDMI and RCA component and composite jacks. Some TVs will also have a VGA port. Your laptop will have a VGA port. (If the laptop is fairly new, it may also have an HDMI port.)

Not all TVs will support an HDMI signal from a computer, so the VGA signal is often better. However, that limits you to SD (anything with HDCP will fail.)

Very few TVs ship with the HDMI or component cables. However, there are some vendors who do package the HDMI cable with their TV. Without knowing which exact model of TV and laptop, I can only make a few suggestions. I know that the TCP42ST30 (Plasma 42") doesn't have a VGA port.

Look at your laptop for any external monitor port. VGA ports are generally blue female ports with 15 holes (D-Sub). If your TV has a matching VGA port, get a standard VGA monitor cable.

If you have the VGA port on the laptop but not on the TV, you can try a converting from VGA to HDMI. (You may need a DVI to VGA adapter and either a DVI to HDMI cable or a DVI to HDMI adapter.) Note: this gives an analog signal (RGB format) to the TV. You'll also need to make sure that your VGA port is active (in the BIOS for some computers) and then set your computer to send the signal to the external monitor. It is best to turn off both the computer and the TV before connecting the two. Then turn on the TV and set it to the correct input before turning on the computer. (In Windows 7, I set the video signal for the external monitor by right clicking on the desktop and selecting Graphics Properties. Set the signal to the external monitor and click Apply. Then click OK (in the external monitor's screen).)

If this doesn't work, you need a VGA to component video converter. (Not a VGA to component video cable - those are for projectors that read the RGB signal.) See http://www.ramelectronics.net/audio-video/video-converters/vga-rgb-hv-to-component-video/c10000-c11200-c11215-p1.html .

Some laptops come with an HDMI, mini-HDMI or a DisplayPort option. For the latter two, you will need the appropriate cable with that end and the HDMI connector on the other. Then connect the TV and the computer as described above. (Note: my TVs accept a computer signal at the HDMI port labeled HDMI/DVI. However, you need to make sure that your TV understands this signal. It isn't the same format as that from a set-top box. My laptop has VGA and HDMI out; the desktops have VGA, DVI and HDMI (on one).)

If you add a comment with the model of your TV and laptop, I'll be glad to give you more specific options to connect the TV and the computer.

I hope this helps.

Cindy Wells
(A DVI port is a digital video out option with ~21 pins and is usually white.)

If your TV has a VGA input or the laptop and TV have HDMI run the cable over choose the correct input on the TV "pc or hdmi" my asus auto detects the hdmi stream you may have to right click on the desktop go into video setting and choose the TV.

I suspect that the TV can't read the signal from the computer on the HDMI port. You would get a signal from a VGA connection. (Computers send a slightly different signal over HDMI than a DVD or blu-ray player.)

In general, when connecting a TV to a computer, turn off both devices before connecting the video cables. Then turn on the TV and set it to the source (with the no signal message). Then turn on the computer. Next set the computer to output the video on the external video port. (Depending on the laptop, you may need to enable the port in the BIOS. To access the BIOS, press Esc, F1, F2 or F10 repeatedly as you turn on the computer. The key depends on the brand of computer.) Next set the video output in the OS (depends on the OS). For Windows 7, right click on the desktop (anywhere there are no icons or running programs), select Graphics Properties and set the desired monitor choice (laptop monitor, external monitor, both or extended). Click Apply and then confirm this when the display changes. (At least this works for my HP laptop on the VGA port.; my desktop lets me change monitors under Screen Resolution.)

The manual for the TV is available here: http://www.sanyo.com.au/resources/manuals/tvs/lcd42xr9da_im.pdf .

I wish that I had better news for you.

Cindy Wells

Hello apostolos,

If you are using the powersave (monitor off) feature, the video signal to the TV is switched off and it may not be picking this up again automatically. This can also happen if you switch the TV off. In either of these situations, you should be able to switch the TV display for the PC on again by holding down the FN key on your PC keyboard and pressing F5 once.

This key combination is standard on most PCs for switching an external monitor on and off but on some PCs it may also be F4. If neither of these are correct, look for an icon of a monitor on one of the function keys on the top row of yourkeyboard - or use the "Display Settings" or "Monitors" Control Panel (depending on OS) for switching external monitors on and off.

You may need to press F5 a couple of times while still holding down FN key to get the monitor configuration you require, e.g. PC monitor off and TV on, or both on.

If you are using an animated screensaver, the TV should not be losing the signal from the PC, but this can still happen if the TV is switched to standby or off.

If you can't get the TV to pick up the signal from the PC using the FN + F5/F4 combination, it might be a good idea to reset the TV to factory defaults and run the TV setup again.

Hope this helps. If you need any further assistance with this problem or instructions on re-setting your TV to factory defaults, please reply to me from within this page.

Regards,
BElectric

Hi there

regarding that issue that you are having with the external monitor is not working with your sony vaio here are some steps that might help to have it working

connection between the monitor and laptop
- VGA ( blue adapter ) or DVI ( white adapter )
- check if the connected properly
- try to use a different VGA cable
- check if the monitor is detected by the computer
***please also do a monitor selftest on the external monitor***

- HDMI
- check if the tv is detected by the computer
- check the settings of the TV for the HDMI

hope this helps

Make your hdmi port a separate monitor in your display settings. If that didn't help leave a comment and ill try to help you again.

In the receiver's main menu or setup on the remote you will find "input/output assign", make sure the "HDMI Monitor" is set to "yes".
This will make sure whatever video source is connected will be upconverted and outputted to the HDMI going to your TV. If it is set to "no" it will not show your Wii.

You could send the laptop in for repair but it could be quite pricey, it sounds like the LCD is toast. If your keypad still works using an external monitor then you won't have to replace that.

If your PS3 has HDMI capability and the monitor has HDMI capability, it should work as long as the monitor can match to the specs of the PS3.

I am not sure, but I think the PS3 required the capability of 1080p from the TV set. Make sure that your TV is able to see 1080p.

For HDTV, the standard A/V cable set is of no use. That is why your monitor probably does not support the standard A/V format.

Jerry G.