ERROR CODES IN A PC
One Beep :
Quote: DRAM refresh failure
This may be due to – Bad memory chips
– A bad DMA Chip
– Bad memory addressing chips on the motherboard
Two Beeps :
Quote: Parity error or Parity Circuit failure
Your memory may not be seated properly on the mother board.
Unplug and plug it properly
Three Beeps :
Quote:Bad memory or bad mother board
Four beeps :
Quote:Timer failure in the RAM.
Five Beeps :
Quote:CPU chip may be dead
Six Beeps :
Quote:Keyboard controller may have failed
Seven beeps :
Quote:CPU is dead. Retry the connections and test.
Replace the whole motherboard.
Eight Beeps :
Quote:Video card is missing or Bad.
Nine Beeps :
Quote : damaged ROM BIOS. BIOS chip has to be replaced if it persists.
Ten Beeps :
Quote:CMOS shutdown. Replace CMOS memory and associated chips.
Eleven Beeps :
Quote: Cache memory test has failed.
To enable cache memory try CTRL+ALT+SHIFT++.
One long Beep and Three short Beeps:
One long Beep and Eight short Beeps :
Quote:Video card failure. Try to install video card in another slot.
No Beeps :
Quote: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