1. driver problem: XeonE3- 1200 processor driver is not installed correctly, and an exclamation mark may appear. You can try to reinstall or update the driver to solve this problem.
2. Hardware failure: If the XeonE3- 1200 processor has hardware failure, an exclamation mark may also appear. You can try reseating the processor or replacing the processor to solve this problem.
3. Other problems: If the above methods can't solve the problem, it may be necessary to further check the software and hardware configuration of the computer to determine whether there are other problems.