Dual monitor freezes Fusion 360 (caveman fix)

[miguelsalmagro]

I'm making this thread because apparently turning off one of your monitors fixes this issue.

I've done a full wipe of my Fusion 360 and that didn't help at all.

Issue: Dual monitors of differing qualities freezes Fusion 360 for an unknown reason.

My fix:

1. Turn off one of the two monitors. Most preferably the one that uses a (DISPLAY PORT CABLE).

2. Open Fusion 360.

3. Wait for it to finish loading up until all the assets are usable or until you're able to move around in the program.

4. Turn on the mentioned monitor on step one.

5. Now you should be able to use the dual monitor setup again.

Doing this method should fix the dual monitor freezing issue. I know this is such a caveman method of fixing that issue but it worked for me and maybe for you.

I'm using an Nvision (GT24R18) 24 inch 144hz monitor (Display Port) and a Philips (PHL 224E5) 21.5 inch AH-IPS monitor (DVI-D). I'm using a GTX 1070.

I'm more inclined to think that this issue has something to do with a display port cable.

If you have another method of fixing this, can you post it here too? Thanks.

[Phil.E · Accepted solution]

Hi,

Thanks for reporting this. Do you think it is related in any way to this solution?

https://knowledge.autodesk.com/support/fusion-360/troubleshooting/caas/sfdcarticles/sfdcarticles/Fus...

Thanks,

[miguelsalmagro · Accepted solution]

The problem is the same but the approach and solution is different from each other. Since mine just requires the user to turn off the display port monitor instead of unplugging it.

[akutell]

Not exactly the same issue as the one where it crashes without ever appearing.  If I start Fusion360 on one of my larger external monitors (with the primary monitor being too small to work with the software), the program will start, display its main window, and pin the CPU at about 50% for hours without ever allowing any user interraction.  I can, instead, start Fusion360 on my primary monitor without it freezing, and move it to one of my second monitors, and continue using it, but with "hazards":  if, after moving the program to an external monitor, I click on my name dropdown in the upper-left corner of the program, it will freeze up as described above, and stay frozen until I kill it in the task manager.  If I had, instead, left the program on the primary monitor, and then click my name dropdown, Fusion360 will display the dropdown, and run correctly without any freezing.

My system has integrated Intel graphics and a discrete NVidia graphic board.  If I run with either one being what the Fusion360 launcher (fsionlauncher.exe) starts with, via the NVidia control panel,  the behavior is the same, and it does not fix the freezing.

I tried your solution in the other post, and it did not alleviate the freezing.

Computer: MSI GE75, Windows 10 build 2004, CPU: Core i9-10980HK 2.4GHz, RAM: 64GB, Monitors: primary is 1920x1080 (300hz); secondary a&b each are 2560x1440 (120Hz), HD free: ~350GB

[Phil.E]

Is this the problem?

https://knowledge.autodesk.com/support/fusion-360/troubleshooting/caas/sfdcarticles/sfdcarticles/Fus...

[robdotdotdotC9JLC]

I'm still getting this issue on Windows 10 Pro Build 19042 via a laptop. The external display runs on 4k and the laptop runs on 1080P.

One workaround, but still buggy, is to make the external monitor the primary display by checking "Make this my main display" under the Windows Display Settings. When moving Fusion360 back to the laptop display, it will seem to work, but eventually freezes up depending on the actions used inside of Fusion360.

Another workaround is to make the secondary/external display the same resolution as the laptop display. Fusion360 will opened up without freezing after I did this, but it's inconvenient.

[robdotdotdotC9JLC]

This works, but is still an inconvenient alternative: It stops freezing once the secondary display is either set to the primary display via "Make this my main display" under Display Settings, or when the resolution of the secondary display is made the same as the primary display, so in your case 1080P for both laptop and secondary monitor. In the first alternative, freezing will still occur when using it on the display that isn't the "main display".

[larkosfast]

Will there ever be a fix for this problem? I imagine that there are quite a large number of people with multiple monitor setups, even the basic users of today have 2. Seems a strange problem to have not been resolved yet.

[Phil.E]

@larkosfast 

Do you have this problem?

https://knowledge.autodesk.com/support/fusion-360/troubleshooting/caas/sfdcarticles/sfdcarticles/Fus...

Or this problem?

https://knowledge.autodesk.com/support/fusion-360/troubleshooting/caas/sfdcarticles/sfdcarticles/Fus...

[larkosfast]

The 2nd problem Phil. It will open to a certain extent then freeze. I remembered now I had this problem some time ago where the tool library window was open on a 2nd monitor causing the same issue.

[Phil.E]

Did you try the solution?

Solution:

To restore Fusion 360 operation, try the following solutions:

• Unplug the extra monitors and open Fusion 360 to see if it opens and functions correctly with only the main screen active. 

• Disable Nahimic Audio Software and/or Asus Sonic Suite.

• Uninstall Nahimic and Asus Sonic Suite audio software:

1. Open Control Panel.

2. Open Program and Features.

3. Locate Nahimic Audio Software or Asus Sonic Suite.

4. Right Click on the Software name.

5. Select Uninstall.

• Go into the Preferences and in the General Tab try to change the Graphics Driver from Auto to either DX11, DX9, OpenGL, OpenGL Core.

[larkosfast]

I don't have any of those listed in programs but I do seem to recall sonic suite being somewhere. A quick search reveals a user stating it has to be removed from the windows registry, something I will have to deal with later. For now I have just put it back on the main monitor. Seems an inconvenience to have to go into registry and remove keys and potentially cause problems if not done correctly.

[Phil.E]

I'm not advising you to make registry edits.

There are technical reasons why we can't work around this issue, which is why it's still an issue. It is one of the top UI problems we'd like to fix. 

Thanks for your patience and sorry for any inconvenience.

[larkosfast]

No problem Phil and thank you for your help, I guess my point was that I don't have these programs listed in control panel programs list so I am unable to uninstall it via conventional means, I'm not even sure if it is not in that list then how can it be installed unless it is some kind of service that runs in the background. My short research at the time only came up with having to remove the sonic registry key. Its not a major issue and am working around it. I know the Autodesk team work hard to fix all of these issues and some may take longer than others. I appreciate even having access to such a great platform.

[S3724744 · Accepted solution]

I think I found a solution to this. It appears that Fusion refuses to launch on some machines when it tries to open in a secondary display. Then it gets stuck in a loop trying to open and crashing so it gets stuck on that windows forever. It turns out that windows has had a shortcut to lock a program to open in a window since at least windows 8. After you open Fusion using the caveman method, fire your monitor back up and set everything back to normal. Then drag your fusion window over to your 'primary display' (as defined in windows display settings). Now make sure the fusion window is selected and then use WIN+SHIFT+ENTER. This will lock this program to open on the specified monitor. This seemed to fix the issue for me with Fusion and a similar issue found on Ultimaker Cura as well. Hope this helps someone 🙂

[akutell]

Thank you for that easy workaround. The thing I am sort of confused about is how if it's their numero uno UI problem they are targeting to fix, yet it has been reported and unfixed for almost two years. As a software engineer, I understand anomaly prioritization, with low hanging fruit, etc., but their strange lack of a fix for this one seems odd to me.

[RGache]

Dude or Dudess, you rock.  This solution works wonderfully and cured problems with both F360 and Cura 5.1.  I have no idea how you figured this out, but THANK YOU!  I hope this works for everyone.  Rock on.  

My Rig:

Dell G7 gaming notebook, with NVIDIA RTX2070.  

Two external monitors, one 34 inch LG ultra wide screen monitor; 34UC79G-BG.AUSSMPN connected thorough HDMI port; the other a crappy acer 22 inch connected over the DP port.  

Also, it seems to me that the performance of the F360 is much faster now.  I work on some very large complex machine designs and the viewing navigation has much less lag on the LG monitor now.  I have no idea why this fix would help performance, but it does.  Autodesk support--TAKE NOTICE!!!

-R

[johnJ8MVM]

Hi,I am having massive issues with this too. I tried heaps of workarounds, taken laptop into shop for deep clean and tune up. 

I have just nailed down what is starting the problem (I have fixed this before (can’t remember how) and it has started again.

So the issue is all the browser/ dropdown menus become detached from the main fusion interface (Carl alt R sometimes helps (partially).

Fusion works fine when on the laptop alone but dragging it to the second screen is where the issue starts.

So when trouble shooting this morning, I asked myself what has changed since yesterday?

Fusion upgrade (new sign in method using browser), and I changed my actually deck layout. Laptop is now on right of monitor. Yesterday t was on the left.

I changed the orientation in windows display settings so i can drag screens across correctly.

I just tried changing this back to yesterdays position. Bingo, fusion works and displays correctly (no system restart or connect / disconnect required). 

I swapped display back to match the new physical office setup and the problem is back.

So, how do I fix this. Is it a windows issue? A dell monitor issue or (as I suspect from the many threads on here relating to display issues) a fusion issue.

And how am I going to fix it?

TIA for any help.

[akutell]

In short, to answer your question, it is not a Windows issue, per se.  It is not necessarily caused by the developers at Autodesk, either.  I have done some significant research into the issue, with the causes, effects, and workarounds.  In short, the issue is caused by QT.

QT is a framework that is being used by the Autodesk development engineers to create this software in a rapid-deployment model.  QT is also used by many other software vendors, and it is produced by a third-party, so Autodesk does not have much control over it.  Several months ago, I submitted a bug report on this to QT's developers, themselves, with complete details, and they have marked the bug as critical, but have not acted on fixing it, as of today.

The workaround is to make sure when you exit from F360, that it resides on your primary monitor, so next time it starts up, that it starts on your primary monitor.  If you do not, it will freeze during program startup.  You can then move the program's main window to the monitor you want to use, during your work, just remembering to move it back to your primary monitor before you quit or reboot your PC.  There is a convoluted workaround if you forget to do this, and that's to disable all your external montitors (or unplug them) before starting up F360, then re-enable  or plug them back in right after the program shows its main window.

I hope this was of use.

Adam

[johnJ8MVM]

Thanks for your detailed reply.
I have fixed this, I don’t think your suggestion helped although I lost track and maybe a combination of things worked.
But ultimately, my windows display options in setting are set to 150%.
I changed this back and forth a few times ( with combinations of restarts and monitor plugged in via hdmi/ unplugged/ powered on / off).
Dragging display 2 from left to right, ( sometimes this had an effect and leads me to believe it is what triggered the error in the first place. I moved external monitor from right side of desk to left, and moved it in windows settings). The first time I had the issue was a classroom f360 course, I had a classroom external monitor also on the opposite side and it was glitchy as hell ( probably the same as yesterday actually, had a very tech savvy tutor who spend an hour of classroom time trying to fix it, we had to give up.
So, in summary, to add to the list of knee jerk fixes for this issue that has been going on for years (according to these forums), try checking your display settings are set to 100% , do a full restart and if it displays nicely put the zoom back to where you need it.



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