Note: Please click [Back] button to see the details of beep sound or go to the topic of "Beep Sounds Related to Problems During Startup of Computers ".
Note: The Beep Sound pattern for a dot, ・, is "Beep”and for a slash, -, is "Beeeeeep."
Note: Reset the memory card(s) or upgrade memory chips. It might resolve the problem. You should otherwise leave your computer powered off for hours. In the meantime static electricity will be discharged.
・ AWARD BIOS's Case
Beep Sound's pattern |
Problem description |
Troubleshooting recommendation |
-・・ |
No video card or attachment mistake |
Check the video card. |
- |
RAM problem
|
Reset the memory card(s) or upgrade memory chips. |
-・・・ |
・ AMI BIOS's Case
Beep Sound's pattern |
Problem description |
Troubleshooting recommendation |
・ |
Memory refresh time error |
Reseat memory or replace with new chips. |
・ ・ |
Parity error |
Reseat memory or replace with new chips. |
・ ・ ・ |
Base 64K memory read/write test failure |
Reseat memory or replace with new chips. |
・ ・ ・ ・ |
Motherboard timer not operational |
Repair/replace motherboard |
・ ・ ・ ・ ・ |
Processor error |
Repair/replace motherboard |
・ ・ ・ ・ ・ ・ |
8042-gate A20 failure/Keyboard controller BAT test error |
Reseat or replace keyboard controller chip. try a different keyboard. |
・ ・ ・ ・ ・ ・ ・ |
Processor exception interrupt error |
Repair/replace motherboard |
・ ・ ・ ・ ・ ・ ・ ・ |
Display memory read/write failure |
Replace video card or video card memory. |
・ ・ ・ ・ ・ ・ ・ ・ ・ |
ROM checksum error/Faulty BIOS chips |
Replace chips or motherboard |
・ ・ ・ ・ ・ ・ ・ ・ ・ ・ |
CMOS shutdown register read/write error |
Repair/replace motherboard |
・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ |
Cache memory bad |
Repair/replace motherboard |
- |
Hardware test is successful |
- |
- ・ ・ |
No video card, or attachment mistake |
Replace video card or video card memory. |
- ・ ・ ・ |
Display memory read/write failure |
Replace video card or video card memory. |
- ・ ・ ・ ・ |
Video card is bad |
Replace video card or video card memory. |
- - |
Hardware test is failure |
Repair/replace motherboard |
・ DELL BIOS's Case
Note: Dell computers may give you only one pattern of beep code "Beeeeeep".
Note: "1-1-2" means that the code goes like "Beeeeeep" "Beeeeep ""Beeeeep Beeeeep" and it stops.
Note: Some types of Dell desktop computers may have the Diagnostic Lights, which consist of four LED lights on the back panel. The pattern of the lights indicates where and what the trouble is.
Note: If resetting the memory card(s) or upgrading memory chips is in no effect, contact Dell technical support.
Beep Sound's pattern |
Problem description |
Troubleshooting recommendation |
1-1-2 |
Microprocessor register failure |
|
1-1-3 |
NVRAM |
|
1-1-4 |
ROM BIOS checksum failure |
|
1-2-1 |
Programmable interval timer |
|
1-2-2 |
Direct memory access (DMA) initialization failure |
|
1-2-3 |
DMA page register read/write failure |
|
1-3 |
Video Memory Test failure |
|
1-3-1~2-4-4 |
RIMMs not being properly identified or used |
Reset the memory card(s) or upgrade memory chips. |
3-1-1 |
Slave DMA register failure |
|
3-1-2 |
Master DMA register failure |
|
3-1-3 |
Master interrupt mask register failure |
|
3-1-4 |
Slave interrupt mask register failure |
|
3-2-2 |
Interrupt vector loading failure |
|
3-2-4 |
Keyboard Controller Test failure |
|
3-3-1 |
NVRAM power loss |
|
3-3-2 |
NVRAM configuration |
|
3-3-4 |
Video Memory Test failure |
|
3-4-1 |
Screen initialization failure |
|
3-4-2 |
Screen retrace failure |
|
3-4-3 |
Search for video ROM failure |
|
4-2-1 |
No timer tick |
|
4-2-2 |
Shutdown failure |
|
4-2-3 |
Gate A20 failure |
|
4-2-4 |
Unexpected interrupt in protected mode |
|
4-3-1 |
Memory failure above address 0FFFFh |
Reset the memory card(s) or upgrade memory chips. |
4-3-3 |
Timer-chip counter 2 failure |
|
4-3-4 |
Time-of-day clock stopped |
|
4-4-1 |
Serial or parallel port test failure |
|
4-4-2 |
Failure to decompress code to shadowed memory |
|
4-4-3 |
Math-coprocessor test failure |
|
4-4-4 |
Cache test failure |
|
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