[Solved] Allow Computer to Turn Off This Device to Save Power Grayed Out

allow computer to turn off this device to save power grayed out

When your network, mouse or keyboard cannot work properly, it may be caused by the power management settings. But when you entering the keyboard power management, the option allows the computer to turn off this device to save power grayed out. And in some condition, the option is disappeared.  So you can do nothing about it.

How to fix Allow Computer to Turn Off This device to Save Power Grayed Out?

If you want to enable the option in the power management, you can edit it in the registry editor. And here use the USB root hub as the example.

1. Open device manager and expand Universal Serial Bus controllers to find the USB Root Hub (3.0).

2. Right-click it to choose the Properties.

usb root hub properties

3. In the Details tab, choose Driver Key from Property drop-down list, and then copy the Value.

copy driver key

The driver key will use in the registry editor.

4. Type regedit in the search box to run the registry command to open the registry editor.

5. Navigate to this location:

Tips: the {36fc9e60-c465-11cf-8056-444553540000}\0001 is the driver key you copied from the details tab.

So if there is other device power management option grayed out, you can also follow this path.

6. In the 0001 folder, find the PnPCapabilities. If you cannot find the PnPCapabilities, try to create one. Right-click blank, in the New items to choose DWORD (32-bit) Value, and rename as PnPCapabilities.

create pnpcapabilites

7. Right-click PnPCapabilities and choose Modify.

modify pnpcapabilities

8. Type 0 in the value data.

edit pnpcapabilities data 0

Tips: The number 0 means the power management of the USB Root Hub is enabled.

The number 24 will prevent windows from turning off the USB Root Hub or let the device wake the computer from sleeping.

9. Exit the registry editor.

So the above solution will help solve the grayed out of allowing computer to turn off this device to save power problem.


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