cDAQ chassis not recognized

[Quickbeam]

I have been running a cDAQ-9172 from a USB port with a 9263 AO module and a 9401 DIO module. Has been operating perfectly up till now. I did some development on a new VI, and checked out operation without the cDAQ connected. Now the cDAQ shows up in MAX with small red x's at all of the slots. The chassis reset indicates a reset and the indicator LEDs blink. Self Test indicates a successful self test. The device shows up in the Windows hardware manager. If I click on one of the modules in MAX, all of the menu bar selections are grayed out. It seems I may have corrupted a configuration somehow, somewhere. Any thoughts or insight as to what occurred with my chassis set up?

Thanks for any ideas!

Paul

[Christian Mergl · Accepted solution]

So when you reconnect your cDAQ chassis it doesn't show up GREEN in MAX?

If so it could be a database corruption, then I would suggest to follow the steps described in this KB: https://knowledge.ni.com/KnowledgeArticleDetails?id=kA00Z000000P8awSAC&l=en-US

Christian