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Receiver and see if that makes any difference. In this case, you can bypass the splitter or Receiver and ran the cable through the receiver instead of directly For example, you may have purchased a stereo HDMI cables won't work properly if there has been a recent hardwareĬonfiguration change. Properly after a while, even though they worked fine previously, andĮven though the same cable works fine on another device. To go black because the signal isn't strong enough.īased on my experience, some HDMI cables will simply stop syncing (using a non-powered DVI or HDMI splitter), this can cause the monitor If the cable run is too long, or of the signal has been split Too weak, the monitor won't sync to the computer, resulting in a blank Simply put: both DVI and HDMI are digital signals if the signal is You can do to help determine why the monitor keeps going black or Process of elimination as such, I will go through the list of things The best way to resolve this problem is through There are many reasons why a monitor keeps turning off, resulting inĪ blank display. This is why I suspect it may be as simple as downloading the proper driver from Dell. But the behavior you're seeing is exactly what I saw from the default driver. In your case, I don't see others reporting the same behavior with your model and it looks like Dell still supports your monitor.

It drove me nuts for years (but I was too cheap to buy new panels that were supported.) The problem finally (fingers crossed) appears to have gone away a couple months ago with an Nvidia update for my graphics card. The random behavior was because I was using the default driver. Web searches at the time confirmed this a common problem, but seen only on the then-new Windows release I was running and could be traced to Dell having dropped support and not releasing a driver. In my case, it's two Dell 2405FPW panels side-by-side on my desktop and the problem only presented on my left monitor. The interval between could hours or it could seconds (almost constant flickering.) I've struggled with exactly that same behavior in one of my monitors, where it randomly goes dark for a couple seconds, then comes back on. It's possible you can solve this with a driver from Dell for your display. I believe it's most likely a bug in the generic Windows display driver.