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| Locking PC crashes video display...sorta
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I searched through the forums, and couldn’t find this problem, but if it’s been addressed already, my apologies. If so, please point me in the right direction.
Anyway, I have this constantly occuring problem where if I lock my computer, then unlock it, my screen changes from the attached normal display to this jumbled, garbled mess. Notice menus and whatnot still display properly, but what is displayed in the viewports gets messed up. I accidentally stumbled upon a fix whereby I hit CTRL+ALT+DEL again and then just click the cancel button. This seems to force a refresh of sorts to the viewports and everything is fine again. 3ds Max is the only program of mine affected by this oddity. All other programs look the same as I left them when I locked the PC. Oh, and this happens whether I lock and unlock instantly, or walk away for a while and come back.
I have uninstalled and reinstalled 3ds Max (not for this, but because the Arch & Design presets stopped working) and even reinstalled the NVIDIA 3ds Max Performance Driver, and it still occurs.
Any ideas what could be causing this?
Thanks.
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3ds Max Design 2009 64-bit
Windows XP Pro 64-bit SP2
Dual Intel Quad-Core Xeon E5420 / 2.5GHz Processors
8GB of RAM
NVIDIA Quadro FX 1700
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I have this problem all the time too...no solution however.
Max Design 2012 SP2 / Win 7 Pro
NVidia Quadro FX 4800 x 2 (non sli)
HP Z800 - 2 Xeon X5680 @ 3.33 GHz; 36 GB ram
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I wonder if it has something to do with the Direct3D cache? Coming out of a locked state has it garbled or something. What happens if you minimize then maximize Max? Although, that isn’t recommended if Max is rendering.
3DS Max Design 2011 64-bit - Advantage Pack
Dell Precision T5500, Dual Six Core Xeon X5650 @ 2.67GHz, nVidia Quadro 5000, 24 GB RAM, Win 7 Enterprise 64-bit
Minneapolis, MN, USA
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Tried minimizing/maximizing per your suggestion and it is still garbled. CTRL+ALT+DEL, then clicking cancel seems to be the only solution to refresh it, aside from quitting the software and relaunching it.
Author: vader2k
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| Replied: 22 October 2009 10:07 AM
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I saw that we use the same video card, so I locked my workstation then unlocked it with Max open. It took a while for Max to come back, and gave me the “Failed to Initialize Direct3D...” error in my viewports. I tried your trick, and it didn’t work! So I locked it again, unlocked it, and everything is fine.
Very strange…
3DS Max Design 2011 64-bit - Advantage Pack
Dell Precision T5500, Dual Six Core Xeon X5650 @ 2.67GHz, nVidia Quadro 5000, 24 GB RAM, Win 7 Enterprise 64-bit
Minneapolis, MN, USA
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I used to come across that error back before I upgraded my video driver to the nvidia 3ds Max Performance Driver. After the upgrade, I’ve yet to see that error anymore and only have the garbled viewport problem now.
Still, as you say, strange that locking the PC is creating such problems…
Author: vader2k
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| Replied: 28 October 2009 08:07 AM
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Not really. Max is, in effect, a DirectX application but the Lock (like the screensavers) pulls the rug from under its feet by peremptorally taking over the video. Think how many (DX) games go belly-up under the same circumstances - they don’t even like being Alt-Tab’d most of the time.
Does minimising it to the taskbar help? At least that way Max can do something about the DX connection before control of the screen gets taken away from it.
Max 4.2 through 2013.
XP-64 (SP2)
NVidia 9800GTX-512 (Driver 266.58).
Core 2 Quad Q6600 2.4GHz, 8Gb Ram, DX9.0c.
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Wait, do you mean minimize before locking? Is that what you meant too Chris? When I read your suggestion Chris, I locked, unlocked, then minimized, maximized, hoping doing so would refresh it. However, after reading your post Steve, I tried it in the order of minimize, lock, unlock, maximize and it works!!! No garbled image after unlock!!! Does that mean that minimizing allows Max to “remember” what it was showing before the lock takes over?
Author: vader2k
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| Replied: 28 October 2009 08:38 AM
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Probably not. What it does do though is give Max a chance to disconnect from directx cleanly, so when you maximise it, it knows to remake the connection and refresh everything. the difference is that when you minimise, you are telling the application to do something - it “knows” it is being minimised and can do what is necessary. The Lock just “does stuff” without giving Max a chance - in fact it may not even “know” the system has been locked.
It’s pretty easy to see this happen if you open a recent version (2009/2010), do “stuff” then close it, then open an older version like 7 or 8 - Max opens, but the viewports show what WAS being shown in 2010, until they get reinitialised. Sometimes they show the desktop instead - all manner of wierd and wonderful stuff goes on “behind the scenes”.
Author: Steve_Curley
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| Replied: 28 October 2009 09:55 AM
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Ah, interesting. Thanks for the info!
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3ds Max Design 2009 64-bit
Windows XP Pro 64-bit SP2
Dual Intel Quad-Core Xeon E5420 / 2.5GHz Processors
8GB of RAM
NVIDIA Quadro FX 1700
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Some of that is supposition, but it’s more than likely not too far from the truth, close enough anyway ;)
Author: Steve_Curley
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| Replied: 28 October 2009 10:57 AM
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