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In this case, I would recommend checking the following:
- You have the latest BIOS.
- The max RAM speed is DDR3 @1333 MHz.
- The memory that you installed is compatible with the motherboard.
- Run the Intel Processor Diagnostic Tool to see if the processor passes the test.
You can also check the articles below for more information regarding overheating:
Please let me know how it goes.
Downloaded that processor tool. Thanks for your help JC. It shows all is well.