If your keyboard stops working after your system has been inactive or wakes up from sleep, try modifying your Bluetooth adapter's power settings.
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Launch Control Panel > System and Security > System > Device Manager.
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Under Bluetooth Radios, right-click on your Bluetooth adapter (ex. Dell Wireless 370 adapter), and then click Properties.
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In the Properties window, select the "Power Management" tab, and clear the check box "Allow the computer to turn off this device to save power".
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Click OK and then reboot the PC.
If this solution doesn't work, restart your computer. See answer 360023413233 for additional information on connecting your K810 keyboard to a Bluetooth device.
Important Notice: The Firmware Update Tool is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The Logitech Preference Manager is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The Logitech Control Center is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The Logitech Connection Utility is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The Unifying Software is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The SetPoint software is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
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