After installing Windows 7 or Windows XP, there was a yellow exclamation mark before PCI Simple Communications controller listed under "Other devices" of "Device Manager"
The above symptom may occur on the following system:
IdeaPad V360, U160
Lenovo B460, G460
Under the following operating system:
Microsoft Windows 7
Microsoft Windows XP
After finishing the operating system installation, there was a yellow exclamation mark before "PCI Simple Communications Controller" under "Other devices" of Device Manager
To resolve this problem you need to install Intel Management Engine Interface (HECI).
Go to Lenovo official website http://support.lenovo.com/en_US/downloads/default.page? , search according to your product category and you can find the application under "Others" list.
The Intel® Management Engine Interface (Intel® ME Interface) is the interface between the Intel® Management Engine firmware and the host. Drivers and applications on the host that wish to interact with Intel® Management Engine through host interface would use the Intel® ME Interface host windows driver.
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