HP EliteBook 855 G7 15-inch (2020) - Ryzen 5 PRO 4650U - 16GB - SSD 1 TB AZERTY - French

It works very well, with one exception: Bluetooth. It's impossible to activate it, either in the quick panel at the bottom right, or in the settings. I'd already managed to make it reappear once, but since yesterday evening it's disappeared again. And I can't remember what I did. It's not going to work if it disappears every 2 weeks!