Bios Beep Codes 1r56b
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Award BIOS Beep Codes:
Beeps
Error Message
1long, 2 Video adapter error short Repeatin g (endless loop) 1long, 3short High frequenc y beeeps while running
Description Either video adapter is bad or is not seated properly. Also, check to ensure the monitor cable is connected properly.
Memory error
Check for improperly seated or missing memory.
No video card or bad video RAM
Reseat or replace the video card.
Overheated U
Check the U fan for proper operation. Check the case for proper air flow. Either the U is not seated properly or the U is damaged. May also be due to excess heat. Check the U fan or BIOS settings for proper fan speed.
Repeatin g U High/Low
AMI BIOS Beep Codes:
Beeps
Error Message
1 short
DRAM refresh failure
2 short
Memory parity error
3 short
Base 64K memory failure
4 short
System timer failure
5 short
Processor error
6 short
Gate A20 failure
7 short
Virtual mode processor exception error
8 short
Display memory read/write error
Description The programmable interrupt timer or programmable interrupt controller has probably failed A memory parity error has occurred in the first 64K of RAM. The RAM IC is probably bad A memory failure has occurred in the first 64K of RAM. The RAM IC is probably bad The system clock/timer IC has failed or there is a memory error in the first bank of memory The system U has failed The keyboard controller IC has failed, which is not allowing Gate A20 to switch the processor to protected mode. Replace the keyboard controller The U has generated an exception error because of a fault in the U or motherboard circuitry The system video adapter is missing or defective
1
9 short
ROM checksum error
CMOS shutdown read/write error 11 short Cache error 10 short
1 long, 2 Failure in video system short 1 long, 3 Memory test failure short 1 long, 8 Display test failure short 2 short POST Failure 1 long
The contents of the system BIOS ROM does not match the expected checksum value. The BIOS ROM is probably defective and should be replaced The shutdown for the CMOS has failed The L2 cache is faulty An error was encountered in the video BIOS ROM, or a horizontal retrace failure has been encountered A fault has been detected in memory above 64KB The video adapter is either missing or defective One of the hardware testa have failed
POST has ed all tests
AST BIOS Beep Codes:
Beeps 1 short 2 short
Error Message U test failure Keyboard controller buffer failure Keyboard controller reset failure
Description The U has failed The keyboard controller has failed
The keyboard controller has failed or the motherboard circuitry is faulty Either the keyboard controller IC or the Keyboard communication associated circuitry has failed. replace the 4 short failure keyboard first, then is still faulty, replace the keyboard controller IC The keyboard controller IC has failed. 5 short Keyboard input failure Replace the IC System board chipset The chipset on the motherboard has failed. 6 short failure Replace the motherboard The BIOS ROM has failed. If possible, replace 9 short BIOS ROM checksum error the BIOS on the motherboard 10 short System timer test failure The system clock IC has failed Motherboard circuitry has failed. Replace the 11 short ASIC failure motherboard CMOS RAM shutdown THE real time clock/CMOS IC failed. Replace 12 short failure the CMOS or motherboard The DMA controller IC for channel 0 has 1 long DMA controller 0 failure failed. If possible, replace the IC 1 long, 1 The DMA controller IC for channel 1 has DMA controller 1 failure short failed. If possible, replace the IC 1 long, 2 Video vertical retrace The video adapter has probably failed. short failure Replace the video adapter 3 short
2
1 long, short 1 long, short 1 long, short 1 long, short
3 4 5
Video memory test failure Video adapter failure 64KB memory failure
6 Unable to load interrupt vectors
1 long, 7 Unable to initialize video short 1 long, 8 Video memory failure short
The video adapter's memory has failed. Replace the video adapter The video adapter has failed. Replace the video adapter A failure has occurred in the base 64KB of memory. If possible, replace the RAM IC The BIOS was unable to load the interrupt vectors into memory This a video problem. Replace the video adapter first. If problem is still present, replace the motherboard The is a failure in the video memory. Replace the video adapter first. If problem is still present, replace the motherboard
Compaq BIOS Beep Codes:
Beeps
Error Message
1 short
No error
1 long, 1 short
BIOS ROM checksum error
2 short General error 1 long, 2 Video error short 7 beeps (1 long, 1s, 1l, 1 short, pause, 1 AGP video long, 1 short, 1 short
Description System is booting properly The contents of the BIOS ROM to not match the expected contents. If possible, reload the BIOS from the PAQ Unknown Check the video adapter and ensure it's seated properly. If possible, replace the video adapter
The AGP video card is faulty. Reseat the card or replace it outright. This beep pertains to Compaq Deskpro systems
1 long neverendi ng beep
Memory error. Bad RAM. Replace and test
1 short, 2 Bad RAM long
Reseat RAM then retest; replace RAM if failure continues
IBM Desktop BIOS Beep Codes:
Beeps 1 short 2 short
Error Message Normal POST Initialization error
Description System is booting properly Error code is displayed
3
1 long, 1 System board error short 1 long, 2 Video adapter error short 1 long, 3 EGA/VGA adapter error short 3 long
3270 keyboard adapter error
Continuo Power supply error us 999s Power supply error No beep Power supply
Replace the power supply Replace the power supply Replace the power supply
IBM Thinkpad BIOS Beep Codes:
Beeps/Error
Description
Continuous beeping One beep; Unreadable, blank or flashing LCD
System board failure LCD connector problem; LCD backlight inverter failure; video adapter faulty; LCD assembly faulty; System board failure; power supply failure
One beep; Message "Unable to access boot Boot device failure; system board failure source" System board failure; Video adapter One long, two short beeps problem; LCD assembly failure One long, four short beeps Low battery voltage One beep every second Low battery voltage Two short beeps with error codes POST error message Two short beeps System board failure
Mylex BIOS Beep Codes:
Beeps
Error Message
1
Normal boot
2
Video adapter error
3
Keyboard controller error
4
Keyboard error
5
PIC 0 error
6
PIC 1 error
Description System is booting normally The video adapter is either faulty or not seated properly. Check the adapter The keyboard controller IC is faulty. Replace the IC if possible The keyboard controller IC is faulty or the keyboard is faulty. Replace the keyboard, if problem still persists, replace the keyboard controller IC The programmable interrupt controller is faulty. Replace the IC if possible The programmable interrupt controller is faulty. replace the IC if possible
4
7
DMA page error
8
RAM refresh error
9
RAM data error
10
RAM parity error
11 12 13
DMA controller 0 error CMOS RAM error DMA controller 1 error
14 15 16
The DMA controller IC is faulty. Replace the IC if possible
The DMA controller IC for channel 0 has failed The CMOS RAM has failed The DMA controller IC for channel 1 has failed The CMOS RAM battery has failed. If possible, CMOS RAM battery error replace the CMOS or battery The CMOS RAM has failed. If possible, replace CMOS RAM checksum error the CMOS The BIOS ROM has failed. If possible replace the BIOS ROM checksum error BIOS or upgrade it
Mylex 386 BIOS Beep Codes:
Beeps
Error Message
1 long
Normal boot
2 long
Video adapter failure
1 long, 1 short, 1 long 1 long, 2 short, 1 long 1 long, 3 short, 1 long 1 long 4 short, 1 long 1 long, 5 short, 1 long 1 long, 6 short, 1 long 1 long, 7 short, 1 long 1 long, 8 short, 1 long 1 long, 9 short, 1 long
Description System is booting normally Either the video adapter is faulty, not seated properly or is missing
Keyboard controller error
Either the keyboard controller IC is faulty or the system board circuitry is faulty
Keyboard error
Either the keyboard controller is faulty or the system board circuitry is faulty
PIC 0 error
The programmable interrupt controller IC is faulty
PIC 1 error
The programmable interrupt controller IC is faulty
DMA page error
The DMA controller IC 1 or 2 is faulty or the system board circuitry is faulty
RAM refresh error
RAM data error
RAM parity error
DMA controller 1 error
The DMA controller for channel 0 is faulty or the system board circuitry is faulty
5
1 long, 10 short, 1 long 1 long, 11 short, 1 long 1 long, 12 short, 1 long 1 long, 13 short, 1 long 1 long 14 short, 1 long
CMOS RAM error
Either the CMOS RAM is faulty. Replace the CMOS
DMA controller 2 error
The DMA controller for channel 1 is faulty or the system board circuitry is faulty
CMOS RAM battery error
The CMOS RAM battery is faulty or the CMOS RAM is bad. Replace the battery if possible
CMOS checksum error
The CMOS RAM is faulty
BIOS ROM checksum failure
The BIOS ROM checksum is faulty. Replace the BIOS or upgrade
Quadtel BIOS Beep Codes:
Beeps 1 short 2 short 1 long, 2 short 1 long, 3short
Error Messages
Description
Normal boot
System is booting normally The CMOS RAM is faulty. Replace the IC if CMOS IC error possible The video adapter is faulty. Reseat the video Video failure adapter or replace the adapter if possible One or more of the system peripheral controllers Peripheral controller error is bad. Replace the controllers and retest
6
Beeps
Error Message
1long, 2 Video adapter error short Repeatin g (endless loop) 1long, 3short High frequenc y beeeps while running
Description Either video adapter is bad or is not seated properly. Also, check to ensure the monitor cable is connected properly.
Memory error
Check for improperly seated or missing memory.
No video card or bad video RAM
Reseat or replace the video card.
Overheated U
Check the U fan for proper operation. Check the case for proper air flow. Either the U is not seated properly or the U is damaged. May also be due to excess heat. Check the U fan or BIOS settings for proper fan speed.
Repeatin g U High/Low
AMI BIOS Beep Codes:
Beeps
Error Message
1 short
DRAM refresh failure
2 short
Memory parity error
3 short
Base 64K memory failure
4 short
System timer failure
5 short
Processor error
6 short
Gate A20 failure
7 short
Virtual mode processor exception error
8 short
Display memory read/write error
Description The programmable interrupt timer or programmable interrupt controller has probably failed A memory parity error has occurred in the first 64K of RAM. The RAM IC is probably bad A memory failure has occurred in the first 64K of RAM. The RAM IC is probably bad The system clock/timer IC has failed or there is a memory error in the first bank of memory The system U has failed The keyboard controller IC has failed, which is not allowing Gate A20 to switch the processor to protected mode. Replace the keyboard controller The U has generated an exception error because of a fault in the U or motherboard circuitry The system video adapter is missing or defective
1
9 short
ROM checksum error
CMOS shutdown read/write error 11 short Cache error 10 short
1 long, 2 Failure in video system short 1 long, 3 Memory test failure short 1 long, 8 Display test failure short 2 short POST Failure 1 long
The contents of the system BIOS ROM does not match the expected checksum value. The BIOS ROM is probably defective and should be replaced The shutdown for the CMOS has failed The L2 cache is faulty An error was encountered in the video BIOS ROM, or a horizontal retrace failure has been encountered A fault has been detected in memory above 64KB The video adapter is either missing or defective One of the hardware testa have failed
POST has ed all tests
AST BIOS Beep Codes:
Beeps 1 short 2 short
Error Message U test failure Keyboard controller buffer failure Keyboard controller reset failure
Description The U has failed The keyboard controller has failed
The keyboard controller has failed or the motherboard circuitry is faulty Either the keyboard controller IC or the Keyboard communication associated circuitry has failed. replace the 4 short failure keyboard first, then is still faulty, replace the keyboard controller IC The keyboard controller IC has failed. 5 short Keyboard input failure Replace the IC System board chipset The chipset on the motherboard has failed. 6 short failure Replace the motherboard The BIOS ROM has failed. If possible, replace 9 short BIOS ROM checksum error the BIOS on the motherboard 10 short System timer test failure The system clock IC has failed Motherboard circuitry has failed. Replace the 11 short ASIC failure motherboard CMOS RAM shutdown THE real time clock/CMOS IC failed. Replace 12 short failure the CMOS or motherboard The DMA controller IC for channel 0 has 1 long DMA controller 0 failure failed. If possible, replace the IC 1 long, 1 The DMA controller IC for channel 1 has DMA controller 1 failure short failed. If possible, replace the IC 1 long, 2 Video vertical retrace The video adapter has probably failed. short failure Replace the video adapter 3 short
2
1 long, short 1 long, short 1 long, short 1 long, short
3 4 5
Video memory test failure Video adapter failure 64KB memory failure
6 Unable to load interrupt vectors
1 long, 7 Unable to initialize video short 1 long, 8 Video memory failure short
The video adapter's memory has failed. Replace the video adapter The video adapter has failed. Replace the video adapter A failure has occurred in the base 64KB of memory. If possible, replace the RAM IC The BIOS was unable to load the interrupt vectors into memory This a video problem. Replace the video adapter first. If problem is still present, replace the motherboard The is a failure in the video memory. Replace the video adapter first. If problem is still present, replace the motherboard
Compaq BIOS Beep Codes:
Beeps
Error Message
1 short
No error
1 long, 1 short
BIOS ROM checksum error
2 short General error 1 long, 2 Video error short 7 beeps (1 long, 1s, 1l, 1 short, pause, 1 AGP video long, 1 short, 1 short
Description System is booting properly The contents of the BIOS ROM to not match the expected contents. If possible, reload the BIOS from the PAQ Unknown Check the video adapter and ensure it's seated properly. If possible, replace the video adapter
The AGP video card is faulty. Reseat the card or replace it outright. This beep pertains to Compaq Deskpro systems
1 long neverendi ng beep
Memory error. Bad RAM. Replace and test
1 short, 2 Bad RAM long
Reseat RAM then retest; replace RAM if failure continues
IBM Desktop BIOS Beep Codes:
Beeps 1 short 2 short
Error Message Normal POST Initialization error
Description System is booting properly Error code is displayed
3
1 long, 1 System board error short 1 long, 2 Video adapter error short 1 long, 3 EGA/VGA adapter error short 3 long
3270 keyboard adapter error
Continuo Power supply error us 999s Power supply error No beep Power supply
Replace the power supply Replace the power supply Replace the power supply
IBM Thinkpad BIOS Beep Codes:
Beeps/Error
Description
Continuous beeping One beep; Unreadable, blank or flashing LCD
System board failure LCD connector problem; LCD backlight inverter failure; video adapter faulty; LCD assembly faulty; System board failure; power supply failure
One beep; Message "Unable to access boot Boot device failure; system board failure source" System board failure; Video adapter One long, two short beeps problem; LCD assembly failure One long, four short beeps Low battery voltage One beep every second Low battery voltage Two short beeps with error codes POST error message Two short beeps System board failure
Mylex BIOS Beep Codes:
Beeps
Error Message
1
Normal boot
2
Video adapter error
3
Keyboard controller error
4
Keyboard error
5
PIC 0 error
6
PIC 1 error
Description System is booting normally The video adapter is either faulty or not seated properly. Check the adapter The keyboard controller IC is faulty. Replace the IC if possible The keyboard controller IC is faulty or the keyboard is faulty. Replace the keyboard, if problem still persists, replace the keyboard controller IC The programmable interrupt controller is faulty. Replace the IC if possible The programmable interrupt controller is faulty. replace the IC if possible
4
7
DMA page error
8
RAM refresh error
9
RAM data error
10
RAM parity error
11 12 13
DMA controller 0 error CMOS RAM error DMA controller 1 error
14 15 16
The DMA controller IC is faulty. Replace the IC if possible
The DMA controller IC for channel 0 has failed The CMOS RAM has failed The DMA controller IC for channel 1 has failed The CMOS RAM battery has failed. If possible, CMOS RAM battery error replace the CMOS or battery The CMOS RAM has failed. If possible, replace CMOS RAM checksum error the CMOS The BIOS ROM has failed. If possible replace the BIOS ROM checksum error BIOS or upgrade it
Mylex 386 BIOS Beep Codes:
Beeps
Error Message
1 long
Normal boot
2 long
Video adapter failure
1 long, 1 short, 1 long 1 long, 2 short, 1 long 1 long, 3 short, 1 long 1 long 4 short, 1 long 1 long, 5 short, 1 long 1 long, 6 short, 1 long 1 long, 7 short, 1 long 1 long, 8 short, 1 long 1 long, 9 short, 1 long
Description System is booting normally Either the video adapter is faulty, not seated properly or is missing
Keyboard controller error
Either the keyboard controller IC is faulty or the system board circuitry is faulty
Keyboard error
Either the keyboard controller is faulty or the system board circuitry is faulty
PIC 0 error
The programmable interrupt controller IC is faulty
PIC 1 error
The programmable interrupt controller IC is faulty
DMA page error
The DMA controller IC 1 or 2 is faulty or the system board circuitry is faulty
RAM refresh error
RAM data error
RAM parity error
DMA controller 1 error
The DMA controller for channel 0 is faulty or the system board circuitry is faulty
5
1 long, 10 short, 1 long 1 long, 11 short, 1 long 1 long, 12 short, 1 long 1 long, 13 short, 1 long 1 long 14 short, 1 long
CMOS RAM error
Either the CMOS RAM is faulty. Replace the CMOS
DMA controller 2 error
The DMA controller for channel 1 is faulty or the system board circuitry is faulty
CMOS RAM battery error
The CMOS RAM battery is faulty or the CMOS RAM is bad. Replace the battery if possible
CMOS checksum error
The CMOS RAM is faulty
BIOS ROM checksum failure
The BIOS ROM checksum is faulty. Replace the BIOS or upgrade
Quadtel BIOS Beep Codes:
Beeps 1 short 2 short 1 long, 2 short 1 long, 3short
Error Messages
Description
Normal boot
System is booting normally The CMOS RAM is faulty. Replace the IC if CMOS IC error possible The video adapter is faulty. Reseat the video Video failure adapter or replace the adapter if possible One or more of the system peripheral controllers Peripheral controller error is bad. Replace the controllers and retest
6
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