Consider the following scenario:

• You are running a Windows Vista-based computer that has a Blu-ray optical device and an AMD SB700 reference board installed.
• You use an application such as Pwrtest.exe or Sleeper.exe to set an RTC wake-up time on the computer.

In this scenario, you cannot resume the computer from hibernation (S4) or from standby (S3). However, if you press any key or the power button, the system resumes correctly.

Consider the following scenario:

• You are running a Windows Vista-based computer.
• This computer has a USB device, such as a USB fingerprint reader, attached.
• You resume the computer from standby or from hibernation,

In this scenario, you may receive the following Stop error message:

Stop 0×000000FE ( 00000008 , 00000006 , 00000001 , parameter4 )
BUGCODE_USB_DRIVER

Note: In this error, the value of the Parameter4 placeholder may vary.

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This article is intended to describe the steps that are used to troubleshoot performance-related issues with standby, resume, or hibernation, which vary depending on the point at which the issue occurs. Keep reading →

When you wake a computer that is running Windows Vista Service Pack 1 (SP1) from hibernation, you may receive the following error message:

System was shutdown unexpectedly

Consider the following scenario:

• You have a multiprocessor computer that is running Windows Vista or Windows XP.
• The computer has exactly 32 processors.
• You resume the computer from hibernation (S4).

In this scenario, the computer stops responding on a black screen.

There are key differences between Windows XP and Windows Vista where power-management functionality is concerned. One of these differences concerns how the Windows Vista power-management feature works for the HD audio controller and for any child devices. For example, assume that you decide to disable an HD audio controller’s Wake on Ring feature on a Windows Vista-based computer by disabling the Allow this Device to wake the Computer option. In this situation, the Wake on Ring feature still wakes the computer from sleep and from hibernation.

Consider the following scenario:

• On a ThinkPad X300 computer that is running Windows Vista, you enable the Disable optical drive option on the Power Management tab.
• You perform a suspend-and-resume cycle or a hibernate-and-wake cycle on the computer.

In this scenario, the computer’s optical disk drive is intermittently not displayed in My Computer or in Device Manager.

Consider the following scenario:

• You install a Bluetooth device on a Windows Vista-based computer, and then you turn the device on.
• You put the computer into standby (the S3 power state) or into hibernation (the S4 power state).
• You resume the computer from standby or from hibernation.

In this scenario, the Bluetooth device no longer works . Additionally, a yellow exclamation mark (!) appears next to the device in Device Manager. When you view the device properties, the device status is reported as code 43.

Consider the following scenario:

• You are running a Windows Vista-based computer that has multiple USB devices connected to it. Or, you are running a Windows Vista-based computer that has a docking station that has multiple USB devices connected to it.
• You install a Bluetooth device on the computer. Then, you turn the device on.
• You try to put the computer into hibernation ((S4).

In this scenario, the computer stops responding.