DAQMX vi files missing in Labview 2013

[Bob_Schor]

I agree that a Repair of DAQmx is the thing to try.  I also "lost" some DAQmx functionality when installing LabVIEW 2015, but solved it as follows:

1. Opened Control Panel, went to Programs and Features (Windows 7).
2. Found National Instruments, found DAQmx (the most recent version), chose "Repair".
3. Had all of my LabVIEW Installation media on hand (meaning, in one case, LabVIEW 2010, 2011, 2012, 2013, 2014, and 2015 kits), as I was asked for 6 different DVDs during the process.
4. Rebooted, and problem solved.

When doing a LabVIEW installation, you generally want to install all the "pieces" that you will need, as LabVIEW is not "backward compatible", i.e. an older version of DAQmx will (probably/possibly) not work with a newer LabVIEW installation.  You also want to install Drivers last (I'm really not sure why this is necessary, but I've received this wisdom from others, have followed it carefully, and only rarely been burned ...).

Bob Schor

[crossrulz]

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Bob_Schor wrote:  You also want to install Drivers last (I'm really not sure why this is necessary, but I've received this wisdom from others, have followed it carefully, and only rarely been burned ...).

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It is so that the driver installer will detect the LabVIEW version you just installed and automatically choose the "LabVIEW 20XX Support" to be installed. Otherwise this support is not installed and then when you try to use LabVIEW, the driver's palette is not there and then you complain that the driver does not work with LabVIEW.  Luckily, if you did mess this up you just need to try to install the driver again and just the LabVIEW support will be installed, which is a very quick install.

[RavensFan]

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Bob_Schor wrote:  You also want to install Drivers last (I'm really not sure why this is necessary, but I've received this wisdom from others, have followed it carefully, and only rarely been burned ...).

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Because the drivers install into LabVIEW and place the palettes in there.  If the version of LabVIEW doesn't exist yet because it hasn't been installed, there is nothing for the driver to install into.

[DanCor]

The Repair function worked. Thank you all for helping out