Installed Debian 10 on the Lenovo T60 using the firmware netinst for i386. During install chose WIFI as the preferred internet connection. After installation was complete there were issues with getting a connection. I had to change the NetworkManager.conf from manage=false to manage=true. That confuses me a bit as on all my other installations I never had to change that parameter. Also, if the ethernet cable is connected the laptop can not connect to the internet via ethernet and the WIFI will disconnect every five seconds and then reconnect.
The WIFI seems to work fine, as long as the ethernet is not connected, and the owner of the computer does not plan to use the ethernet connection, but I am concerned that there is something not configured properly. If somebody has some suggestions I would appreciate the help. Please let me know what further information is needed. Thank you.