A Bluetooth Mouse or Keyboard Fails To Reconnect After Being Left Idle In Windows 8

Symptoms

After not using your Bluetooth mouse or keyboard for some time, you may not be able to use

the device again without rebooting the system or turning your Bluetooth radio off and back on.

This article applies to your symptoms if the following conditions are also true:

1. Your computer has a Broadcom-based Bluetooth radio.

2. Your Bluetooth radio has “Allow the computer to turn off this device to save power” enabled.

You can check these settings by doing the following:

Below are the steps

1. Select the Search charm and type “Device Manager”.

2. Select "Settings". "Device Manager" should be listed in the results. Click on "Device Manager".

3. In Device Manager, expand "Bluetooth" and select the Bluetooth radio.

4. Right click on the Bluetooth radio and select Properties.

5. On the Advanced tab, the Manufacturer Id will be 15 if your radio is Broadcom-based.

6. On the Power Management tab, “Allow the computer to turn off this device to save power” is

enabled if the checkbox is checked.

7. Un-check the box to prevent the device to turn off