When Bluetooth is activated in a Windows 7, 8.x, or 10 computer, Windows places a Bluetooth icon in the System Tray-the collection of easily accessible icons near the clock. But an accidental click in the wrong place can cause you to lose that icon, leaving no obvious way to access Bluetooth settings. The Bluetooth icon in the Windows system tray provides an easy way to connect and manage Bluetooth devices on your Windows 7, 8.x, or 10 computer, and many Bluetooth users rely on it.