IF you have issues with a bluetooth mouse or keyboard dropping connection or does not connect when computer awakes / reboots, then the below info will assist. When this issue occurs, most white papers direct us to update the Power Management tab for Bluetooth drivers associated with the peripheral. However starting somewhere around build 1700 or 1800 of Win 10 the Power Management tab is missing from the driver prop tabs. Thus we need a reg hack to bring back the Power Management tab; Now we can adjust the Power Management settings associated with the specific BT driver for the peripheral, in my case a Logitech Ultra Thin Mouse
View Power Management Tab in device manager when it is (hidden) See below:
1) create a reg key and set value to 0
Open RegEdit and move to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power
If it's not created : create new DWORD key, name = CsEnabled , value= 0.
Restart the machine, now check the driver. To view a driver for a specific peripheral the below screenshot show step by step :
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