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I have a laptop (dell inspiron 7537) with an hdmi output and I would like to connect it to a monitor (Samsung PPM42S3Q ) which has only VGA and DVI input. I bought a dvi to hdmi adapter (hdmi female dvi male) but when I connec laptop to monitor I always get “no signal” that means cable is connected but no signal is sent or recognised by monitor.

First, I suppose cable wasn’t working, so I connect my laptop to another monitor (more modern than the samsung) with the same configuration and everything works like a charm. After I figure out that cable was working I connect my PC Desktop to the Samsung monitor with the same configuration and everything is working. I supposed was a graphic card issue, my laptop has and intel integrated graphic card and a Nvidia Geforce Gt 750M , I tried to enable one and disable the other and viceversa but in the end I got always the same result “no signal”.

Could anyone please suggest another configuration or tell me if is possible to get this configuration working?

  • That should be a valid configuration, have you played with the resolution on when plugged into the monitor, sometimes the monitor will report no signal if the resolution is not supported by the monitor. – Tristan Vigil Jul 28 '16 at 14:12
  • yep, I did it.. nothing happened – lukaspp Jul 28 '16 at 14:34
  • next I would check to see if you have the correct dvi connector. You may have a case where you are trying to send a digital signal to a analog monitor or vice versa. Here is an image if the differences in dvi as well as there pin counts – Tristan Vigil Jul 28 '16 at 14:49
  • sorry mate I forgot to write dvi detail.. they are both dvi D (Monitor and adapter) – lukaspp Jul 28 '16 at 15:19
  • That is odd, just to make sure, is your laptop detecting the monitor and just not outputting to it? – Tristan Vigil Jul 28 '16 at 15:26
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Connecting HDMI output to DVI input is not straightforward due to HDMI carrying an HDCP-protected signal.

Monitors that don't have an HDMI port are not HDCP-compliant, hence can't display an HDCP-protected digital signal.

As a (legal) workaround you can try an HDMI splitter, those often strip HDCP from the signal, so it can be subsequently converted to DVI.

  • Thanks for your advise, but I already tried with an HDMI splitter and even with that it doesn't work. Maybe my problem depends on the hold DVI monitor. – lukaspp Nov 27 '17 at 9:58
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So based on the comments to the question, I think we have narrowed it down the the HDMI to DVI adapter. The monitor is not detecting a signal from the computer because the computer is not detecting that there is a monitor plugged in. Im not an electrical expert but when a VGA or DVI cable is plugged in at both ends it appears to complete a circuit, resulting in the display showing that the cable is plugged in. In this case this is why the monitor is showing no signal but is detecting a cable plugged in. The no signal is representing the fact that there is no data being sent between the monitor and the computer. For reasons unknown the monitor doesn't seem to like the adapter.

What I Would Suggest:

  1. If you are able to get a different adapter I would try that first, it may just be an issue with the brand of adapter you are using.

  2. Possibly try a different conversion, if you are able to adapt to VGA, see if you can get your hands on a HDMI to VGA

  3. Look into a converter rather then an adapter. An adapter, the way I understand just adapts the plug to the needed port where as a converter actually converts the signal as well as the port.

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    I tried a new cable Hdmi to DVI but nothing has changed! – lukaspp Aug 3 '16 at 12:54
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Answer! I've experimented with this, and it seems that HDMI to DVI cables just don't work properly with laptops. However, using a regular DVI cable with an HDMI adapter at the laptop end does work.

I would guess that there could be truth that there is an issue with HDCP not being translated, that seems most likely. I originally had one of those cheap plastic block adapter things, but it's too wide and blocks the USB port next to the HDMI port - so I'm buying an adapter with 20cm or so cable attached, like this: https://www.scan.co.uk/images/products/super/2283293-l-a.jpg

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