Dxdiag incorrectly reports DirectX 11 devices as DDI 10.1 when using Win 7

kurosagi01 · Feb 20, 2010

Crusader said:
There is a hard way to get it to work, but it takes ages and is a rather daunting task.

I'm waiting to get East's go ahead to post up something I got from him as a proper guide on the subject. It worked fine for me, but it did take like, 2 or 3 hours and a considerable amount of effort.

A question to you, have you formatted after changing over to your 5 series card? And I'm assuming your previous card was a DX10/10.1 card?

Yes i did do a clean format because i was on 32-bit with my 8800GT but after installing 5750 and manage to sort out my issues with 64-bit i installed 64-bit and installed latest ATI drivers so no there wasn't any old previous drivers from a DX10/10.1 card.

LifeOnMars · Feb 20, 2010

Is it right that my gtx 275 shows as dx 11 in dxdiag - win 7 64 ultimate?

ComradeSader · Feb 20, 2010

kurosagi01 said:
Yes i did do a clean format because i was on 32-bit with my 8800GT but after installing 5750 and manage to sort out my issues with 64-bit i installed 64-bit and installed latest ATI drivers so no there wasn't any old previous drivers from a DX10/10.1 card.

Hmm, well there goes my theory :shadedshu Most I could suggest would be to try out that guide I mentioned once it gets posted..

LifeOnMars said:
Is it right that my gtx 275 shows as dx 11 in dxdiag - win 7 64 ultimate?

What is the DDI Version? Please don't say 11 otherwise I'm going to cry...

Mussels · Feb 20, 2010

Crusader said:
Hmm, well there goes my theory :shadedshu

What is the DDI Version? Please don't say 11 otherwise I'm going to cry...

nah, he's talking DX version, not DDI version.

ComradeSader · Feb 20, 2010

Mussels said:
nah, he's talking DX version, not DDI version.

There isn't a DX Version in the Display tab short of the DDI; so the DDI should give the best bet of an accurate DX version, according to my recent experiences with East's thread..
If it's the DX version in the system tab hes talking about, well then that's just showing the OS's DX version afaik.

Mussels · Feb 20, 2010

Crusader said:
There isn't a DX Version in the Display tab short of the DDI; so the DDI should give the best bet of an accurate DX version, according to my recent experiences with East's thread..
If it's the DX version in the system tab hes talking about, well then that's just showing the OS's DX version afaik.

note the directX at the bottom?

10.1 DDI on display tab

yes, he is just talking about DX version. Yet another person who doesnt understand directX.

LifeOnMars · Feb 20, 2010

Mussels said:
note the directX at the bottom?

http://img.techpowerup.org/100220/Capture514.jpg

http://img.techpowerup.org/100220/Capture515.jpg

10.1 DDI on display tab

yes, he is just talking about DX version. Yet another person who doesnt understand directX.

Mussels mate, I normally appreciate your views and humour but was that necessary? You are right, I'm relatively new to computing and don't understand so perhaps explain better wtf DDI is and we can all start learning a little without the condescending tone :shadedshu:

rolleyes:

Mussels · Feb 20, 2010

sorry mate... its been a long day.

LifeOnMars · Feb 20, 2010

no worries sport

FordGT90Concept · Feb 20, 2010

DDI is the Display Driver Interface:
http://msdn.microsoft.com/en-us/library/ms793073.aspx

It is basically the version number of the files provided to NVIDIA, AMD, etc. to author Direct3D drivers.

kurosagi01 · Feb 20, 2010

I am guessing DDI is Device Driver Interface?
http://en.wikipedia.org/wiki/Device_driver

Mussels · Feb 20, 2010

in the case of DXdiag, its just saying what the max directX version is your card supports.

You can run a DX7 card in XP and have DX9 installed, you can have DX11 in 7 and have a DX9 card installed... DX version is system, DDI is video card.

ComradeSader · Feb 20, 2010

Mussels said:
note the directX at the bottom?

http://img.techpowerup.org/100220/Capture514.jpg

http://img.techpowerup.org/100220/Capture515.jpg

10.1 DDI on display tab

yes, he is just talking about DX version. Yet another person who doesnt understand directX.

^^(one directly above)Yeah you just summed up what I was just about to say, lol.

EastCoasthandle · Feb 20, 2010

ok, I've updated the OP with some instructions on how to purge your OS from recognizing your old video card. Hopefully that will allow you to use DDI hotfix if it reads 10.1 when using win7 with a dx11 video card.

kurosagi01 · Feb 22, 2010

hey guys i got mine to work,i have just download the installer posted by saikamaldoss on the AVP thread.

saikamaldoss said:
Hay here i what i have for you KB975243 x64

heres my screenshot of my DDI showing 11 now:

human_error · Feb 22, 2010

heh i never even noticed that i had this bug, but the hotfix from ms has fixed it - thanks for not only making me notice the bug, but also giving me the link to fix it :toast:

FordGT90Concept · Feb 22, 2010

Come to think of it, maybe the MS fix only works on driver version # and newer. The bug is in the device driver, not Windows. This would also explain the mess you have to go through to get the hotfix (because it is not something Microsoft should directly patch so they want to know everyone that has it).

95Viper · Feb 22, 2010

The OP may be onto something.
Because, if the DDI info is reporting incorrect info to the program it may be making calls to the wrong dlls and sections of the registry. Just a theory.

A little info:
Supporting Direct3D Version 11
Introduction to DirectX VA
DDI Functions
Motion Compensation
Pipelines for Direct3D Version 11
This one is interesting.
Supporting Threading, Command Lists, and 3-D Pipeline

Just an opinion.

New Guy · Feb 23, 2010

Can anyone help?

Hi

Just joined today to ask for some advice.

Built my new system mainly for games and music but having issue with DDI not showing 11.

I have done more clean installs of windows 7 in the last week than I care to remember lol.

I have followed the step by step guide earlier in this thread but cannot seem to get it to work. also tried the superb windows hotfix lol, no joy, did check it was the win7 *64 version. removed all Cat drivers and directX and clean installed them, no joy.

Going out of my mind as all id like to do is play Dirt2 and AVP in dx11 will tesselation etc.

Any advice would be appreciated.

Mussels · Feb 23, 2010

New Guy said:
Hi

Just joined today to ask for some advice.

Built my new system mainly for games and music but having issue with DDI not showing 11.

I have done more clean installs of windows 7 in the last week than I care to remember lol.

I have followed the step by step guide earlier in this thread but cannot seem to get it to work. also tried the superb windows hotfix lol, no joy, did check it was the win7 *64 version. removed all Cat drivers and directX and clean installed them, no joy.

Going out of my mind as all id like to do is play Dirt2 and AVP in dx11 will tesselation etc.

Any advice would be appreciated.

unfortunately, you seem to have covered all the steps we know of so far.

New Guy · Feb 23, 2010

Thanks for the reply

its really annoying as seems to work for some and not others.

At one point i had it all working including unigine heaven and could switch tesselation on/off and avp let me choose dx 11 features, but after shut down and re-boot next day both of those programs would not even work. i guess all will be resolved in time.

New Guy · Feb 23, 2010

update

ok so i got in today not changed specs since last post, got the leaked cat 10.3 driver software and installed it.

the results!!!
without restarting i checked dxdiag, it was magically showing ddi as 11! hurray but...

i ran avp, it was letting me use dx 11 upgrades like tesselation etc, but ran very bad, jumpy etc, i also ran dirt 2, i could now set post processing to high, game ran ok but still quite jumpy in places. i did restart to see if it would fix...

after restart ddi was back to 10.1, and i can now not run avp at all, just says avp has stopped working, but i can still run dirt2 but cannot get high post processing again, only medium, so its clearly running in dx10 mode again!

does this help any more expericanced members than i work out where the problem is???

thanks

EastCoasthandle · Feb 23, 2010

New Guy, I get the impression that your Registry somehow became corrupt or missing something. Unless you've got a backup of it that dates before the problems occured I can only suggest a reformat at this time.

Furthermore, the only reason I know of why DDI won't show version 11 is because your OS is still recognizing something else (usually in the registry somewhere). If there is another reason why this is happening as Mussels suggested we've given all we know to help resolve the issue, sorry.

However:
I am curious as to what drivers are used once you uninstall your Cat drivers. Could you post back with that information by uninstalling your drives (just the CCC unisntall will do). Reboot, then go to Device Manager, Display Adapter. What's found in Display Adapter?

New Guy · Feb 23, 2010

hi

yeah im out of ideas as well, I did have 2 9800gtx's in sli before, but that was on vista install, not win 7 ever.

but thanks for your time guys, i do appreciate it.

New Guy · Feb 23, 2010

didnt see last bit, ok will do that now.

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Dxdiag incorrectly reports DirectX 11 devices as DDI 10.1 when using Win 7

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