I am having issues with keeping the signal on the DVI connection. I set the recommended resoloution (1280 by 768)everything works great until I turn it off. When I turn it back on. It recieves no signal. I then have to connect to another monitor and then reconnect and it works again.
I currently use the tv for my media center as a secondary display. yeppers it almost always will drop from the system when i change inputs to watch cable. but.. depending on what video card you have, mine is a nvidia 7950, you will need to set "force tv detection". after doing that you will notice that the set is always connected in display properties whether you turn the set on/off, change inputs, or what ever. thus keeping your res settings. an even more trouble free way to use this set is a proprietay 9din/7din svideo - component adapter sending a 720p signal to the set with force tv detection on. the benifit of this is that it also keeps you settings and you will never hear the hardware detected / disconnected alert
also, if you are using this as your primary or only monitor i would suggest that you do not game on it because of the constant res changes and the fact that those res changes sometimes come with an uncontrollable refresh rate that is incompatible with your set, causing it a great deal of stress.
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DVI and HDMI are the exact same signal, except that DVI doesn't include the provision for audio. Essentially the problem you're having is that you have the monitor set to auto input rather than HDMI input or DVI input. Setting the monitor to not look for any input you plug in and defining the input should cause the hunting wait to be eliminated.
eMachines flat-screen monitors offer high quality at low
eMachines flat-screen monitors are compatible with most
brands of PCs.
Issues with eMachines flat-screen monitors can arise from
faulty power sources, cable problems and incompatible settings.
These issues can be resolved by testing step-by-step each
Plug the computer's power cable firmly into a working AC outlet.
Press the computer's power button.
Check the LEDs on the front of the computer case to confirm
that the computer receives power.
Plug the eMachines monitor's power cable into a working AC outlet.
Press the monitor's power button.
Check the LEDs on the front bezel or power button of the
eMachines monitor to confirm that the monitor receives power.
Orange or blinking LEDs indicate low power or no signal.
Green LEDs denote a working connection..
Perform a monitor self-test.
Switch off the monitor.
Unplug the video cable from the monitor.
Press the eMachines monitor's power button.
An eMachines logo, Windows logo or "no signal"
message indicates that the monitor is working properly.
Plug the eMachines monitor's video cable into the video
port on the computer.
Attach the monitor's included DVI-to-VGA adapter to the
monitor's VGA cable if your computer has a DVI port (15 or 25 pin-slots with 1
side slot) in place of a VGA port (15 pin-slots, no side slot).
Press the eMachines monitor's input button to change the
monitor's setting to match the computer port used.
Set your monitor to DVI if connected to your computer's DVI
Set your monitor to VGA if connected to your computer's VGA
Connect the eMachines monitor to a known working computer
with a known working video cable if the problem persists. Contact Gateway,
eMachines manufacturer, if the monitor issue is not resolved.
Make sure your monitor is set up to recieve what ever signal you are wanting via the monitor's menu. There should be an input button on the monitor to select the signal type. The connection really doesn't matter as long as you are able to use the monitor. There could be something wrong with the connector on the video card. Also make sure you are using the card and are not using the onboard graphics connection by mistake. If the problem persists it is more than likely the card.
When you connect the computer to the monitor via an analog VGA cable, you get signal on the analog input. When you connect them via a DVI cable, you feed the monitor's DIGITAL input, so the monitor doesn't get any signal on it's analog input, and informs you about it. You have to select the digital input from the monitor's On Screen Menu, and then start the computer up - you should see the picture OK. Also remember to set the display resolution on your computer to match the optimum (native) resolution of your monitor - this will give you optimum picture quality. In case of VA712B it will be 1280x1024. Good luck and please come back with a testimonial if helped.
if your monitor came with a disk try installing the drivers again you might still have the drivers for the previous monitor you had with your system if not try going to the manufacturers website and getting the drivers and install them