ACPIMSFT0101 - Device Not Supported in Windows 7
Missing Intel Platform Trust Technology Driver Causes Device Manager Errors
Update:
Our engineers have identified an issue with the ACPIMSFT0101 device in Windows 7. This device is associated with the Intel Platform Trust Technology (PTT) and is not supported under Windows 7 x86. As a result, users may see multiple errors in Device Manager related to unknown devices. We are currently working on a solution to this issue and will provide an update as soon as it becomes available.
In the meantime, users can refer to the following article for more information on this issue: https://support.microsoft.com/en-us/kb/2920040
Lenovo Support
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