... display itself, please check the computer power + 3.3 V output.Second-ranking shows "no diagnosis code" says no to run ... zero." ,0x11 DMA channel 1, "test." ,0x12, "testing the DMA page registers." ,0x13, "test 8741 keyboard controller interface." ,0x14, "test ... interrupt function." ,0x23, "test protection way, the virtual way and page way." ,0x24, "more than 1Mb expanded memory test." ,0x25 ...