When this setting is checked(enabled), Windows puts the network card to sleep and when it resumes it puts it back to D0. Windows never turns off the network card due to inactivity. This setting can be used if a driver misrepresents how it handles sleep states.
The Allow the computer to turn off this device to save power setting controls how the network card is handled when the computer enters sleep. When deploying Windows 7 or Windows Server 2008 R2, you may want to disable the following network adapter power management setting on some computers:Īllow the computer to turn off this device to save power More information Furthermore, you can configure the power management settings to meet the needs of your users through device properties, standard registry settings. It allows computers to sleep for longer periods of time when idle. The enhancements made to Windows 7 for managing power settings for network adapters greatly reduces the number of spurious wakes. This article provides a resolution to disable network adapter power management on a single computer.Īpplies to: Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1 Original KB number: 2740020 Summary I have not noticed that this issue would occur only after booting in Linux, but I cannot state for sure that it doesn't either.Information about power management setting on a network adapter I know that sometimes Ubuntu sets certain hardware flags differently then windows.
Not sure if it's relevant, but I'm dual booting this pc with Ubuntu 15.10. However, after a while, for seem reason it becomes checked again and I can't sign in using my fingerprint reader.ĭoes anyone have any idea what my cause this? Or how to work around this issue? Now and then, I check this setting and it remains unchecked. I then uncheck this option (since that seems to be causing my problems) and it works fine for a while (couple of days). "Allow the computer to turn of this device to save power"
Each time when that happens, I go to "Device Manager", check my fingerprint reader and see that in "power management" settings the setting Now and then, after a reboot or suspend, the fingerprint reader is not working. I have some problems with my fingerprint reader. I have a Dell Latitude E5450 running windows 10.
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