The headset and computer are paired and connected with each other. You will hear a voice guidance “Bluetooth connected”. If they are not connected, see “ Connecting to a paired computer (Windows 10) If [WH-1000XM3] does not appear on the display, try again from step 3. A Passkey may be called “Passcode,” “PIN code,” or “Password
Your issue could either be, the Bluetooth adapter is failing, the drivers are failing, or there is interference getting in the way of the signals. You do have a lot of devices on that Bluetooth adapter, they can easily interfere with one another. And audio is a big drain on Bluetooth's bandwidth. VasteBikini.
If the Bluetooth problem persists, you can first try the Windows diagnostic tool to find the exact problem: 1) On your keyboard, press the Windows logo key + R key at the same time and enter the command line: msdt.exe -id DeviceDiagnostic to open the device troubleshooter. 2) Click Next to continue.
Go to Action Center. Click the All Settings button. Navigate to Devices and click Bluetooth. Toggle “on” the Bluetooth After turning on Bluetooth, you can then Add Bluetooth or other devices”. Click on the Bluetooth button, and Windows 10/11 will begin searching for any available Bluetooth devices.
Press Windows key+R to open Run then type: services.msc. This will open Services app. Find Bluetooth Support service in the list. Right click it then select Restart. Right click it again then select Properties. Click General Tab, in the Startup Type option, choose Automatic in the drop down list. Click Apply and OK.
Go to HP's support website and download the latest driver for Bluetooth. Windows Update usually detects missing drivers, but not always. I would also check to see if your computer has a button/hot key for turning Bluetooth on or off. EDIT: I believe you can find the driver directly here in Driver-Network. pWpz8.