I bought a new ThinkPad X200 7458-pn6 after installing XP, the device Winbond Trusted Platform Module 1.2 preceded by a yellow exclamation mark, prompted that the device is not properly installed driver. After many efforts, finally in a chance to be solved, close-up and share with you to solve the headache of many ThinkPad enthusiasts.
First to the official download driver: http://think.lenovo.com.cn/support/driver/detail.aspx?docID=DR1218598176029&docTypeID=DOC_TYPE_ DRIVER
Unzip to the following location: C:WINDOWSSYSTEM32DRIVERSTPM
The extracted directory files are shown in the following image:
The TPM and the key directory.
Choose:
My Computer--management--system Tools--Device Manager
Locate the Winbond Trusted Platform Module 1.2, the problematic system device, right-click on "Update Driver", as shown in the following figure:
(the software shown above should be Winbond Trusted Platform Module 1.2, because I have successfully installed, so the name is displayed after successful installation!) Don't turn it back into a problematic state to show it to everyone)
Click Next
Click Next to OK!
The installation succeeds as shown in the following figure:
At this point, the ThinkPad series in the Winbond Trusted Platform Module 1.2 driver installed after the exclamation mark problem resolution