No "Scan for Instruments" Button in LabVIEW even after troubleshooting

Hello, I am having the same problem as shared in this older post:

https://forums.ni.com/t5/Instrument-Control-GPIB-Serial/NI-Max-No-quot-Scan-for-instruments-quot-button/m-p/3335724?profile.language=en

TLDR: the "Scan For Instruments Button" doesn't show up for my GPIB-USB-HS. However, in the previous post the issue ended up being that their versions of Ni 488.2 and LabVIEW were too far apart in age to be compatible. In my case, my NI 488.2 19.5 is said to be compatible with LabVIEW 2018 on this site. I have already gone through all the troubleshooting steps listed in this help page: https://knowledge.ni.com/KnowledgeArticleDetails?id=kA00Z0000019Qd6SAE&l=en-US, nothing works. Anyone have any ideas?