hello everybody, before you come to write this post I checked the official documentation of centos. to be brief: - I format my usb pendrive in fat - Using the command dd if =name.iso of =/dev/sdx (with or without bs for the purposes of issue, and 'indifferent) Restart the system and remains in the screen with the cursor flashing (infinity) I also tried with other distributions and every time I get the same result side bios and there 'no setting for secure boot or similar can you give me a hand please? thanks in advance best regards _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos