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 : Check Power supply -Check mother board connections -Remove all cards except video card and check for system power up -Insert all cards one at a time and check their operation. -If
system hangs on the installation of a particular card, then it is the
cause for the problem and replace it with another of that type and check <!--[if !supportLineBreakNewLine]--> <!--[endif]-->