ERROR CODES IN A PC 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
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