Keyboard Frequently Loses Connection; Before Reconnecting Your Keyboard; Reconnect Your Keyboard - Logitech K780 Frequently Asked Questions Manual

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Garage door openers
Try to rule out these and other possible problem sources that might be affecting your keyboard.

Keyboard frequently loses connection

If your keyboard frequently stops working and you keep having to reconnect it, try these
suggestions:

Keep other electrical devices at least 8 inches (20 cm) away from the keyboard

Move the keyboard closer to the computer or tablet

Before reconnecting your keyboard

Before you try to connect your keyboard again:
1. Check the battery power by turning the keyboard off and then back on again using the
ON/OFF switch on the bottom of the keyboard. Notice the LED indicator color to the left
of the ON/OFF switch. If the LED indicator is red, the batteries need to be replaced.
2. Try using the Windows key or type something to verify it's working.
3. If it's still not working, follow the link below to reconnect your keyboard.

Reconnect your keyboard

To reconnect your keyboard, please follow the steps for your specific operating system in
Connect your Logitech Bluetooth
 +Switch devices with the K780 keyboard
After you've connected up to three devices with your keyboard, you can switch between them
when you press one of the Easy-Switch buttons.
The button's status light slowly blinks before turning solid for 5 seconds to confirm your
selection. The keyboard is then ready to use with your device.
NOTE: Make sure the device's Bluetooth connection is enabled before you switch to that device.
 +K780 keyboard battery life and replacement
device.