personal hotspot was connected to my macbook but still no internet.
personal hotspot using bluetooth from my iPhone to macbook air. though connected but cannot access internet in my laptop.
iPhone 6, iOS 12
Hi,
The following articles could perhaps be of interest to you:
How to set up a Personal Hotspot on your iPhone or iPad - Apple Support
If Personal Hotspot is not working on your iPhone or iPad (Wi-Fi + Cellular) - Apple Support
If necessary, you may want to try the other connection methods (alternatively, using another computer for a comparison).