This is probably a firmware issue, check on Dell website if there are any updates available for your monitor. In that case, just turn the Dell U2414H OFF and then back ON. Some people have reported that the monitor doesn't power up when you wake your computer from sleep. DisplayPort not detecting when waking from sleep You must activate the new monitor from within Windows & use the "Extend Mode" on it. Also, you should avoid Ebay: it's filled with bad cables or fake / gray market cables.Īctivate the monitor within Windows settings They are known to have tons of issues: ONLY buy certified cables from known manufacturers. Never use cheap non certified cables or adapters with DisplayPort video cards, motherboards, laptops or monitors. Cheap DisplayPort cables WILL give you trouble Note: If there is only ONE DisplayPort, then it will be a DisplayPort IN. Note: The DisplayPort OUT port is meant to DAISY-CHAIN many monitors together, if your video card & motherboard & monitors support it. Turn your monitor back on and boot your computer. Wait 30 seconds and plug the cable back in, making sure you hear the click of the locking connector when inserting the cable into the ports. Refer to your monitor manual for more details. Turn off your computer and monitor, and unplug the DisplayPort Cable. You may connect them in any one of those two. Many monitors will have both a Mini DisplayPort and a standard DisplayPort input port. It might seem silly, but it's a fairly common reason why the No HDMI Signal error might appear.Your cable MUST be connected to any of the two DisplayPort IN port (NOT "DisplayPort out"). It's also worth checking if the source device is connected to power. If it's not working, it might be an issue with the device's HDMI port or the HDMI cable. If another device is successfully connected to your TV over HDMI, unplug it and plug the new device into the same port. Plug the device into the different HDMI ports on the TV and try each one. U2419H/U2419HX U2719D/U2719DX Dell UltraSharp 24 Monitor Dell UltraSharp 27 Monitor No DP Cable No DP Cable The display will go into Power Save Mode in 4 minutes. If this doesn't work, the next step is making sure the HDMI port is working properly. : Troubleshooting Also, depending upon the selected input, one of the dialogs shown below will continuously scroll through the screen. Switch to the correct HDMI input, and the signal problem should be resolved. To change the input, check your TV remote (not the one that comes with your Fire TV Stick, Roku, or Apple TV) and look for the 'Input' button (usually denoted by a box with an arrow). Most TVs have multiple HDMI ports, and even if the source device and TV are connected to the HDMI cable correctly, choosing a different input can result in the error. In many cases, the order in which these devices are powered on will dictate the success of the handshake.Īnother common reason why your TV might display the 'No HDMI Signal' error is because the wrong input is selected on the TV. This is an extremely common solution for people with HDMI sources connected to a home theater system or an audio/video receiver. So, if you turned on the display before your HDMI source, try turning both off and then powering them on in the opposite order. If that doesn't work, the next thing to consider is changing the boot sequence. It's an underwhelming troubleshooting method, but it forces lots of important processes to restart and often results in a successful handshake. For this reason, the primary solution - and the first thing you should always try - is to simply unplug the HDMI cable from the source device, wait for one minute, and plug it back in. Almost all of them are simply various ways of making the two devices attempt the handshake again. In those cases where the handshake doesn't play out how it should, and you're certain there isn't just a loose cable, there are multiple, simple solutions to the problem.
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