Why can’t I no longer browse phone contents via Bluetooth connection on Windows 7?

I used to be able to simply connect my Android 6 phone to this laptop via bluetooth (Qualcomm Atheros Bluetooth 4.0) and access the phone contents in my Windows file explorer. But now I can't. What happened is that I have another computer that has Windows 11 and I had to buy a Bluetooth dongle (Realtek Bluetooth 5.0) for it to connect to my phone as it did not have Bluetooth hardware. I think the problem appeared when I first paired my laptop with my computer (although I don't remember trying to pair them together prior to this issue, but maybe I'm remember wrongly). Just to be clear, I am abl

Question by Marian Gavril on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.