If your Bluetooth isn't showing up:

If you installed this card into a laptop that didn't come with it originally (like upgrading an older ThinkPad), ensure your BIOS doesn't have a whitelist blocking the card. If the laptop won't even boot, the card is unauthorized by the motherboard.

If you’ve just upgraded an older laptop to Windows 10, or if you’ve done a clean install, you might have run into a frustrating problem:

On rare occasions, Windows 10 will block older drivers because they aren't "digitally signed" for Windows 10. To bypass this:

If you are still struggling, leave a comment below with your laptop model number, and we’ll try to help you locate the specific file you need!