I have used this zedboard for a long time. But now i can not link it to PC,.When i power up the board, the power on LED(LD13),DONE LED (LD12), and ethernet's led all lingt up ,but i never program my FPGA flash. PC can not link to board. Who can tell me what happen to my board.
Can you provide any further details about your setup?
What is not communicating?
JTAG? USB? Serial?
What FPGA flash are you referring to? The EMMC?
What software are you using to program it? Is there a reference design you are working with?