NI-DAQmx

[Ahmad79]

Hi everyone,

My knowldge on national instrument software is very poor and I am facing some problems

How I can uninstall completly from my computer theexisting national instrument sftware because I need to install  an older version of NI-DAQ in order to troubleshooting nyrecording system but I am having problem to unistall the existing national instrument software and I have alwas the message that there is a newer version already istalled even if I am not able to see it.

Thx you for help 

[John_P1]

Hi Ahmad79,

Did you run the uninstaller?  You can get to it through Add or Remove Programs in Windows, there should be an entry called National Instruments Software:

Having said that, what issue are you trying to troubleshoot?  Are you sure you need to install an older version of NI-DAQ?  What version do you have installed, and what do you need to revert to?

Best Regards,

[Ahmad79]

Hi John,

Thx very much for your reply,

Let me summarize for you the story.

I am working on a neural recording system provided by Plexon inc which is also equiped by a video camera for the behavioral recording.

The system has three PCI cards: PCI-6071E (for the continuos analog signals); PCI-DIO-32HS (intfaces the recording system server)  and Access PCI-DIO-24d wirth Counter(s) (camera timing and digital output).

All started afetr a blue screen of the PC. At this point I was able to run all the recording system but the video camera software. there is two consecutive error messages (Digirtal IO open error and CTTT access I//O board is not found).

through the device manager I was able to see only the first 2 PCI cards but not the DIO-24. through NIMAX I was not able to visulaize any of the 3 PCIs. at This point I thought that the best thing to do is to upgrade the national instrument software but the problem was the same as before.

The tech support from Plexon inc suggested to uninstall the national instrument soiftware and install the original one (TDAQ741). trying to uninstall the software by running the uninstaller, at some point there was awarning (unfortunately I don't remeber it exactly) but I finished the removing. after that trying to install the older version there is always the message that there is a newer version already installed even if I can't see it through Add or Remove programs.

The last thing I tried to do is to reinstall the newer version, I still not able to see the program through the add remove programs and I am not able to find the shortcut to NIMAX but I can see the national instrument file in programs and files.

Sorry if my e-mail is confusing (I am new with the english language)and thx you very much for your Help.

[John_P1]

Hi Ahmad79,

It sounds like you have two issues now:

Original Issue:

The Access PCI-DIO-24d isn't an NI product, so I can't really give any advice on this. 

You mentioned that the two NI boards do show up in Device Manager--what do they show up as?  Perhaps they are not associated properly with the NI Driver.  To give exact instructions I'd have to know what OS you are on, but you should be able to manually associate the hardware with the appropriate NI driver through Device Manager.

If the installation of your driver is corrupt, the best bet is to try to do a /reinstall.  Simply run the installer through the command prompt with the /reinstall flag set and this will force the installer to overwrite the existing files.  However, if you have a more recent version of the T-DAQ driver installed you won't be able to run the older installer.  Windows does not allow multiple versions of the same hardware drivers to be concurrently installed.  What OS are you on by the way?

Install issue:

What version of the driver did you install on top of the old one?  Since the title of your post is "NI-DAQmx", I had assumed you were working with DAQmx.  However, it sounds like you actually installed Traditional-DAQ.  What version have you installed?

Also, please provide a technical report from MAX (File >> Create Report), which should give more information about what you currently have installed on your system. 

What is the exact text of the error message when you try to run the T-DAQ 7.4.1 installer?

Best Regards,

[Ahmad79]

Hi john,

The operating system is Windows xp

I did reinstall the drivers. even though I don't think that there is a problem with the PCI cards seen that the part of the recording software related to those cards seems to work properly.

what I have installed now is the NI DAQ 8.9.5. and after installation and uninstallation I am not any more able to find measurement and automation explorer neither to find the national instrument software in the add remove programs.

The message I have after running TDAQ 7.4.1 says that is not possible to install it because a newer version is already installesd.

Thx u

Ahmad