Burn FLASH EPCS16 successfully, but the FPGA EP4CE15 does not start after the power is turned on.

Quartus 14.1 WINDOWS 10 EP4CEF15I7N EPCS16 MSEL:1001:AS STANDARD 3.3V It works normally when I download the .sof file. I replaced FLASH, FPGA, USB blaster cable and computer, and t...