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silent installation of NVDA isn't silent #6289

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LeonarddeR opened this issue Aug 22, 2016 · 11 comments
Closed

silent installation of NVDA isn't silent #6289

LeonarddeR opened this issue Aug 22, 2016 · 11 comments

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@LeonarddeR
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This report has originally been posted on the NVDADutch mailing list

I want to install NVDA silent, quiet, with no sounds or pop-up screens because I want to use it to deploy with SCCM. Use following command: nvda_2016.2.1.exe --install-silent --minimal --log-level=20 --log-file=C:\NVDA.log Tested the command om a Windows 10 computer: Does not work properly: NVDA is installed, and the log-file is made. But there is a sound, and I see a pop-up.

Fixing this would require changes in the launcher as well in NVDA's code

@WJdZ
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WJdZ commented Aug 22, 2016

I mean deploying with SCCM to a 'virtual machine' on Hyper-V. It looks like the machine does not support sount in this stage of deploying. installing. NVDA on a working virtual machine works fine, with the same command. (but with sound and pop-up)

@jcsteh
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jcsteh commented Aug 22, 2016 via email

@WJdZ
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WJdZ commented Aug 23, 2016

no, the pop-up does not requires interaction. it just appears. I think that is not such a big problem. I think the sound is the problem.

@LeonarddeR
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I agree with @WJdZ here. A sound logo makes sense for screen reading software, but for a silent installation, the current logo is too obnoxious, not mentioning the problem in the described situation where no sound card is available.

@jcsteh
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jcsteh commented Aug 23, 2016

Silent is perhaps not the correct term here. Most installers that run in "silent" mode still present something to the user; they just don't expect interaction. The better term would be "unattended". I don't think it's unreasonable to "present" something audible to the user; we're talking about a screen reader installer after all.

That said, I'm unclear as to the more serious problem here. What happens when you try to install without an audio device? Does the installation fail? A log file would be helpful. Thanks.

@WJdZ
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WJdZ commented Aug 24, 2016

I understand that it is helpful by a screenreader installation that there is any audio signal what is happening.

But the installation sometimes is done by systems like Microsoft System Center Configuration Manager (SCCM), and there is where it goes wrong.
When I install a virtual-machine (VHD) with SCCM then is no audio available. SCCM stops installing, even when the option “continue on error” is enabled.

So if it would be possible that the switch-command “-m --minimal No sounds, no interface, no start message etc” that is described in the manual, really works it would be fine!

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Van: James Teh [mailto:notifications@github.com]
Verzonden: woensdag 24 augustus 2016 0:28
Aan: nvaccess/nvda
CC: Willem Jan de Zwart; Mention
Onderwerp: Re: [nvaccess/nvda] silent installation of NVDA isn't silent (#6289)

Silent is perhaps not the correct term here. Most installers that run in "silent" mode still present something to the user; they just don't expect interaction. The better term would be "unattended". I don't think it's unreasonable to "present" something audible to the user; we're talking about a screen reader installer after all.

That said, I'm unclear as to the more serious problem here. What happens when you try to install without an audio device? Does the installation fail? A log file would be helpful. Thanks.


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@LeonarddeR
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I've been able to reproduce the error when I disabled every single
soundcard on my system. The error is localized though, so I will
have to reproduce it on my English system. But to be clear, the
error is generated by the sound part of the installer, so before
NVDA is actually extracted and started itself.

@LeonarddeR
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I've been able to reproduce this:

  1. Go to device manager and disable every single soundcard under sound,
    video and game controllers.
  2. Restart your pc, and be sure that you can still access the pc using
    braille or remote.
  3. Start the NVDA Installer, either in silent mode or just normally.

Expected result: Everything runs as normal
Actual result: The installation is blocked by the following popup:

MCI Error
All wave devices that can play files in the current format are in use.
Wait until a wave device is free, and then try again.

Clicking OK throws this popup away, but as @WJdZ mentions, this is
unexpected behaviour that stands in the way of automatic deploying.

@jcsteh
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jcsteh commented Jan 11, 2017

Okay. Now that #6557 is merged, a warning dialog no longer appears when installing on a machine without audio. Is there still a problem we need to address here? As noted above, most unattended installers do present some sort of UI and I don't think it's unreasonable for this to be an audible UI for a screen reader. However, it should definitely not require interaction in this mode.

@feerrenrut
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Can this issue be closed?

@WJdZ
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WJdZ commented Jan 16, 2017 via email

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