I ran the DM6437EVM Diagnostics.
The results are,
External memory diagnostic fail.
So I can't load any program in the DSK kit.
I check all the connecting to PC. And the PC system are fine.
I press the reset bottom many times.
Plus, I change another DM6437EVM kit to test, even change another PC to test are all the same results come out.
It's never happened before. It can pass the test two weeks ago.
What step did I miss? Or did I change the setting accidentally?