Article ID: 885193 - View products that this article applies to.
When you use your keyboard to wake your computer from standby, you cannot use the Microsoft Fingerprint Reader to scan a fingerprint so that you can log on to your computer. Additionally, when you try to scan your fingerprint, the light on the Fingerprint Reader blinks quickly but the DigitalPersona Password Manager software appears to stop responding (hang).
This issue may occur if an Enhanced Host Controller Interface (EHCI) host controller is installed on your computer.
To work around this issue, use one of the following methods:
To prevent this issue, configure your computer so that the keyboard will not wake your computer from standby. To do this, follow these steps:
(http://support.microsoft.com/kb/841858/ )Description of how to enable the S3 system power state for standby when USB devices are armed for wake