If you're unable to use the fingerprint scanner after sleep, you can repair it easily in the Windows 10 settings. Here're the precise steps to follow along with.

Windows 10 devices having a fingerprint scanner can sometimes face a strange issue where after waking the machine from sleep, the scanner doesn't recognize the finger. Subsequently, you cannot make use of the fingerprint scanner regardless of how perhaps you try. To put it simply, under certain situations, the fingerprint scanner isn't working after sleep in Windows 10.

For a majority of Windows 10 users, the fingerprint scanner will work perfectly fine. However, because of some driver issues and scanner settings, the fingerprint scanner might be asleep despite you wake up the system from sleep. This happens due to Windows 10's power management settings. Since the fingerprint scanner is in sleep mode, it doesn't act as it should even after you wake the computer.

Thankfully, the problem is pretty simple to fix. All you have to do is change the fingerprint scanner's power management settings and stop Windows 10 from putting it to sleep when you put Windows 10 to rest. Though sounds confusing, it's pretty simple to do. Follow the steps below to fix fingerprint no longer working after sleep in Windows 10.

SOLVED: Fingerprint Scanner No longer working After Sleep

To make the fingerprint scanner to operate properly after waking up from sleep, you need to change a power management setting of this specific device in the device manager. Listed here are the steps to follow.

First, open the beginning menu. It can be done by pressing the Windows key around the keyboard.
Search for "Device Manager" within the Start menu and open it up.
After opening the Device Manager, expand the "Biometric devices" option.
Now, right-click around the fingerprint device and select the "Properties" option.
Go to the "Power management" tab in the properties window.
Uncheck the "Allow the computer to show off this product to save power" option.
Click "Ok" to save changes.
Close the Device Manager.
Restart Windows 10.

That's all. From here onwards, the fingerprint scanner should work perfectly after waking the machine from sleep. This is because Windows won't place the fingerprint scanner to rest when you put the system to rest. As such, it ought to work just fine.

When the issue still persists, I suggest you uninstall the motive force, reboot the machine, and reinstall the motive force again. You can download the fingerprint scanner driver from laptops or device manufacturer website. Ensure the driver can be date. After reinstalling the motive force, stick to the above steps. It ought to solve the fingerprint no longer working after sleep issue in Windows 10.

That's all.