Meaning of BEEP & ERROR CODES in 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:
Quote:
Memory failure

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