Do you mean that airodump is not writting any file to disk? Because you said that it was displaying PMKID found so that means it should capture it. Also you can still try to capture the handshake by deauthenticating a client, or even connect and disconnect any device manually (this ti test that the handshake can be captured).
Strictly Necessary Cookies
Strictly Necessary Cookie should be enabled at all times so that we can save your preferences for cookie settings.
3rd Party Cookies
This website uses Google Analytics and Linkedin to collect anonymous information such as the number of visitors to the site, and the most popular pages.
Keeping this cookies enabled helps us to improve our website.
Please enable Strictly Necessary Cookies first so that we can save your preferences!