[Meaning of the BEEP Sounds in PC]
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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