One Beep RAM refresh failureThis may be due to- Bad memory chips- A bad DMA Chip- Bad memory addressing chips on the motherboardTwo Beeps :Parity error or Parity Circuit failure-Your memory may not be seated properly on the mother board.-Unplug and plug it properlyThree Beeps :Bad memory or bad mother boardFour beeps :Timer failure in the RAM.Five Beeps :CPU chip may be deadSix Beeps :Keyboard controller may have failedSeven beeps :CPU is dead. Retry the connections and test.-Replace the whole motherboard.Eight Beeps :Video card is missing or Bad.Nine Beeps amaged ROM BIOS.-BIOS chip has to be replaced if it persists.Ten Beeps :CMOS shutdown.-Replace CMOS memory and associated chips.Eleven Beeps :Cache memory test has failed.-To enable cache memory try CTRL+ALT+SHIFT++.One long Beep and Three...