Make sure the USB receiver is directly and securely plugged into a working USB port on your computer. Try to rule out these and other problem sources that might be affecting your keyboard.īefore connecting the K750 to the Unifying receiver, check the battery level by pressing the Check-Light hotkey (shown below), located above the numpad near the ON/OFF switch.Ĭharge the battery until the green light comes on before reconnecting the keyboard. Radio frequency (RF) interference from other wireless devices, such as: Using your wireless keyboard on metal surfaces Plugging the USB receiver into a USB hub or other unsupported device such as a KVM switch ( NOTE: Your USB receiver must be plugged directly into your computer.) Moving the USB receiver to another computer
Moving the USB receiver from one USB port to another The connection between the keyboard and the USB receiver can be lost for several reasons, including: This problem is likely to be a lost connection.
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