One Beep : DRAM refresh failure This may be due to - Bad memory chips - A bad DMA Chip - Bad memory addressing chips on the motherboard Two Beeps : Parity error or Parity Circuit failure -Your memory may not be seated properly on the mother board. -Unplug and plug it properly Three Beeps : Bad memory or bad mother board Four beeps : Timer failure in the RAM. Five Beeps : CPU chip may be dead Six Beeps : Keyboard controller may have failed Seven beeps : CPU is dead. Retry the connections and test. -Replace the whole motherboard. Eight Beeps : Video card is missing or Bad. Nine Beeps : Damaged 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 short Beeps: Memory failure One long Beep and Eight short Beeps : Video card failure. -Try to install video card in another slot. No Beeps : Che
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