How to reliably connect a monitor that has a DVI input (like a Dell U2412M) to HDMI

I wrote in Asus Zenbook UX31A (or any Intel HD4000/HDMI graphics) fix for no HDMI output to an external monitor in Windows 8 (should work for Windows 7) about a technique for connecting the DVI port of a monitor to HDMI output from a PC with Intel HD4000 graphics.

In that article I alluded to a potential problem in the way the Intel HD4000 chipset implements HDCP (High-bandwidth Digital Content Protection).

I now know, through buying and experimenting with different cables and HDMI/DVI adapters, that I was wrong….

I have tested the following recommended components on the (micro) HDMI output of both a Microsoft Surface RT and an Asus Zenbook UX31A and the results are repeatable – in that no other cables/adapters (that I have purchased thus far) work – apart from the following:

If you want to reliably connect the DVI port of a monitor – and in particular, a Dell U2412M, to micro or regular sized HDMI, you need one of these:

This is the HD-9002 “DVI-D Male to HDMI Female Adaptor / Convertor – 24+1 Pins – PC Card to HDMI TV” from Cabling4Less.co.uk – which at the time of writing, is £2.49 inclusive of delivery from their eBay listing or £4.80 from their Cabling4Less website.

While you can see (obviously) that this is a male DVI connector, what is not so obvious, is that the other end of this adapter is a female full size HDMI socket – for connecting to an HDMI or micro HDMI cable of your choice.

Now, while the Cabling4Less adapter did the trick with a number of HDMI cables I tried, an honourable mention must go to the “Premium 1.5m Gold Micro HDMI Cable to Connect Amazon Kindle Fire HD to TV LCD” from juicebitz for £3.85 delivered.

Not only does the quality of manufacture seem to be a cut above most cables (juicebitz say that they manufacture the cables themselves) but it has immediately removed the little one pixel sized random green dots that I used to get in dark areas of photos with other cables I used.

Asus Zenbook UX31A (or any Intel HD4000/HDMI graphics) fix for no HDMI output to an external monitor in Windows 8 (should work for Windows 7)

This is Part 2 of a two part article – only separated to make it easier for those with this particular problem to search for this.

This is a very niche article, I grant you, but of you are reading it, chances are, you have this problem – and while my experience is specifically with the Asus Zenbook UX31A, searching the internet reveals that it seems to be a common and generic problem with Intel HD4000 graphics and HDMI output to an external monitor.

The Problem:

The internet is awash with folk having problems getting any output from the micro-HDMI port on their Intel HD4000 graphics chipset PC’s – and this includes the Asus Zenbook UX31A, as this thread on the Intel Community site attests.

I have the problem myself, in that I found it impossible to drive a Dell monitor in extended mode via the micro-HDMI (most Zenbook UX31A users would use the micro VGA dongle – so wouldn’t come across this problem, but those who, ahem, have lost their VGA dongle are now forced to go the micro-HDMI route….).

I am therefore indebted to Cognus who has written this article over at Eightforums, which seems to suggest that the problem is fundamentally due to a chipset design error in the way Intel implements HDCP and it is probably not possible to fix it via a driver update. This has enabled me (via trial and error) to develop a repeatable process which will, if a little inelegant, drive an external monitor via (micro) HDMI.

The (temporary) fix:

Presuming that the screen is working on your Intel HD4000 laptop, here are some pictures of the technique I use to get the micro HDMI to output to an external monitor:

1. In Windows Device Manager, right click Intel® HD Graphics 4000, select “Properties” and then select the “Driver” tab:

2. Click the “Uninstall” button and be sure to select the “Delete the driver software for this device” checkbox:

3. You will then see that your display device completely disappears from the list of devices:

4. Select the top item in the device list (which will have the name of your PC) and in the Action drop-down, select “Scan for hardware changes”:

5. At this point, there will be a bit of screen flashing and your external (micro) HDMI monitor should spring into life. You will also note that Windows has detected your HD4000 graphics display, but has installed its default driver:

6. Keep the faith, because very quickly, Windows seems to decide that that is not the right driver, and automatically installs Intel driver version 9.17.10.2932:

7. Hit “Restart later” – because you are going to need to repeat this process every time you can’t get an external monitor to work via HDMI – so there is no point in restarting and putting you back to square one:

Of course, if anyone has a better process (I have tried the latest Intel V9.17.10.2875.01 video drivers – and it doesn’t make any difference) please do comment.