... .If the screen without any display itself, please check the computer power + 3.3 V output.Second-ranking shows "no ... keyAccording to the temporary switch short BIOS; According to the store the currently selected longBrief keyShort on 1 yards by jump ... zero." ,0x11 DMA channel 1, "test." ,0x12, "testing the DMA page registers." ,0x13, "test 8741 keyboard controller interface." ,0x14, "test memory ...