|BEEP PATTERN CAUSE AND SOLUTION|
|1 long beep||A memory problem: remove and reseat memory.|
|1 long, 2 short or 1 long, 3 short||Video card problem or problem with its memory.Replace the graphics card or its memory.|
|Continuous||A memory and/or video problems. Reseat or replace
memory and/or graphics card.
|1,1,3||CMOS unreadable. Replace the motherboard.|
|1,1,4||BIOS failure. Replace the BIOS.|
|1,2,1||The timer chip has failed. Replace the motherboard.|
|1,2,2 or 1,2,3 or 1,3,1 or 1,3,3 or 1,3,4 or 1,4,1 or 4,2,1 or 4,3,1 or 4,3,2 or 4,3,3||Motherboard error; replace it.|
|1,3,3||Memory problems. Try reseating or replacing RAM.|
|1,4,2||Faulty memory. Test and replace your RAM.|
|2,any, any||Any beeps after two indicates bad memory. Run a
memory checking utility and replace RAM as necessary.
|3,1, any||Your motherboard has a faulty chip; replace it.|
|3,2,4||Keyboard controller error. Replace the keyboard,
controller chip, or the motherboard to resolve it.
|3,3,4||No video card. Try reseating it or replacing it.|
|4,2,2 or 4,2,3||Replace the keyboard. If this persists, it’s
a motherboard problem; replace it.
|4,2,4||Remove and replace all PCI cards one by one to find
the faulty one, then replace it.
|4,3,4||Clock error. Reset the motherboard clock using
its set-up program. Replace the CMOS battery if
necessary. If this fails, replace the power supply.
|4,4,1 or 4,4,2||Use the motherboard manual to disable the serial
ports and add an I/O card to replace them.
|4,4,3||Maths coprocessor malfunctioning. Use a low-level
diagnostic program to confirm this, then disable it.
|None||Faulty speaker, broken mobo or PSU problem.|
|1 short beep||RAM refresh, interrupt timer or interrupt
controller failure. Replace your motherboard.
|2 short beeps or 3 short beeps||Indicates memory problems. Check the seating of
memory chips or replace the memory.
|4 short beeps||System timer failure. Replace the motherboard.|
|5 short beeps||CPU failure.|
|6 short beeps||Keyboard control chip error. Replace keyboard.
If it persists, chip may need to be replaced/reseated.
|7 short beeps||CPU exception error. Replace CPU and/or mobo.|
|8 short beeps||Video card failure. Reseat the graphics card.|
|9 short beeps||ROM checksum error. BIOS ROM is bad – replace it.|
|10 short beeps||There’s a problem with the CMOS. Replace your mobo.|
|11 short beeps||L2 cache memory failure. Replace L2 cache memory.|
|1 long, 3 short||Memory test failure in RAM over the first 64k.|
|1 long, 8 short||Display test error. Missing or broken video card.|
Excerpt from PC.Answers August 2005