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Restart the computer
If you cannot pair your computer with another bluetooth-capable device (e.g. smartphone, tablet, bluetooth speaker/headphones, keyboard, etc.) restart the computer, after which you should be able to pair it.
Android and Windows OS devices allow you to choose the type of information you share between devices. For example, you can choose to share only phone audio, media audio, depending on your preferences. If you don't need to share all the types of data, consider deselecting one or more types of information and then try to pair the devices.
If you use an Android device, go to Settings, tap on Bluetooth and select the device. If there are options to select, they should appear.
If you use a Windows OS device:
Go to Control Panel, select Hardware, then click on Sound and select Devices and Printers.
Right click the target Bluetooth device and select the Services tab to choose which types of information to share.