topic Re: Hardware Acceleration grayed out in Civil 3D Forum

Hardware Acceleration grayed out

novais — Tue, 09 Apr 2024 12:56:14 GMT

Hello,

I'm having one of the strangest thing on autocad: from nothing (that i noticed) i lost the hardware acceleration, it doesn't even recognize my graphics card, Quadro T1000. I'm working on Civil 2022, asked the IT to install Civil 2023 and the problem remains.

I have tried the latest Nvidia driver, now i tried the driver version recommended on Autodesk certified graphics hardware page, i have a autocad profile on my nvidia control panel and also on my windows 10 graphics settings.

My directx version is 12, i tried with 11 also, but still remains grayed out, honestly i don't have anymore ideas.

As you can see in the image attached, it is using gdi16.hdi with no graphics card, and the tuner log is almost a blank sheet.

Any idea with be greatfull apreciated!

Thanks!

Re: Hardware Acceleration grayed out

rl_jackson — Tue, 09 Apr 2024 13:03:41 GMT

Does your system have an on-board graphics card? That's what it appears to be, I do not exhibit you issue in 2022-2024. Check windows settings.

Re: Hardware Acceleration grayed out

v-silvestre — Tue, 09 Apr 2024 13:05:04 GMT

So within the Nvidia Control Panel > 3D Settings > Manage 3D Settings > Global Settings > Preferred graphics processor, what is it set to? Auto-Select?

Re: Hardware Acceleration grayed out

novais — Tue, 09 Apr 2024 17:07:44 GMT

Thank you for the quick answers.

Yes the pc has a on board, but even that one isn't recognized by Autocad.

I have the autocad aplication forced to use my T1000, and in nvidia, it lo longer offers the option to choose the prefered graphics, i saw in a nvidia article that now it is determined by windows:

So, like i said before, i think i have everything supposely configured...

Re: Hardware Acceleration grayed out

novais — Tue, 09 Apr 2024 17:09:16 GMT

Any ideas? 🤔

Re: Hardware Acceleration grayed out

rl_jackson — Tue, 09 Apr 2024 17:16:33 GMT

Go to device manager and disable the Intel Graphics card. Make it only the NVIDIA Card.

Re: Hardware Acceleration grayed out

user181 — Tue, 09 Apr 2024 17:18:45 GMT

Maybe try this: https://www.autodesk.com/support/technical/article/caas/sfdcarticles/sfdcarticles/How-to-force-your-laptop-to-Run-with-Graphics-Processor-vs-the-default-Integrated-Graphics-for-InfraWorks.html

Re: Hardware Acceleration grayed out

novais — Tue, 09 Apr 2024 17:27:19 GMT

I dont have permissions for that but:

a) if since i have this pc, it worked fine with autocad civil using the T1000, what could possible have changed to disable graphics acceleration?

b) Shouldn't autocad at least recognize the intel oboard graphics card?

And now, i opened a big 3d plan, started moving it, and on resource tab, my intel was at 0% worload and the T1000 was at 34%....

thank you.

Re: Hardware Acceleration grayed out

novais — Tue, 09 Apr 2024 17:40:11 GMT

using autocad while viewing a complex model, it was only 2% in this picture because it took me time to make a print, it was going about 20% of utilization, and the intel remained always at 0%

Re: Hardware Acceleration grayed out

novais — Mon, 15 Apr 2024 10:40:09 GMT

I'm trying to resist the idea of last resort by formating my pc...

Any idea? advice?

Re: Hardware Acceleration grayed out

AllenJessup — Mon, 15 Apr 2024 12:01:56 GMT

I'd suggest testing you graphics card. Probably with a benchmarking program. I've never done this myself. If your computer isn't seeing the card or only partially seeing it. I'd think it's the card.

Re: Hardware Acceleration grayed out

novais — Mon, 15 Apr 2024 12:12:49 GMT

I did a stress test, wich identified my gpu and passed the test:

Three things that i've noticed:

a) I've noticied in my 2022 civil version and by installing the 2023 i was hoping that this problem would go away, it didn't.

b) if i go to windows graphics settings and change the autocad preferred card from Nvidia T1000 to Intel on board, nothing changes in both autocad versions.

c) Like i said before, if i open a complex 3D model, i see activity in the T1000 on the task manager

thank you.

Re: Hardware Acceleration grayed out

Justin_Doughty — Mon, 15 Apr 2024 13:26:26 GMT

Have you tried checking the registry?:

AutoCAD 2017: Hardware Acceleration Won't Turn On – Cadline Community

Re: Hardware Acceleration grayed out

novais — Mon, 15 Apr 2024 14:15:56 GMT

Yes, i tried but it wont work and when i close autocad i go back to regedit, it remains like this:

Re: Hardware Acceleration grayed out

lim.wendy — Thu, 18 Apr 2024 06:21:55 GMT

Hi Nuno,

In addition to the suggestions provided by our experts, I recommend reviewing this article for additional troubleshooting steps: Hardware acceleration cannot be enabled in AutoCAD products.

Feel free to explore these additional steps, and don't hesitate to reach out if you have any further questions or need assistance.

Re: Hardware Acceleration grayed out

novais — Mon, 22 Apr 2024 11:30:15 GMT

The probem has been resolved...

Solution: Good old 'Format c:'

Have a good week!

Re: Hardware Acceleration grayed out

alejandro_leija_m1 — Fri, 14 Mar 2025 22:23:15 GMT

Hello,

Same problem here ... anyone found a solution to this problem?

Im already tried all you mention in the previus post in this forum.