• Computer Error Beep Sounds also known as the Beep Codes are very useful information that can assist you every computer start-up.
• These interpretation of beep sounds are highly recommended for persons who are always using a computer either for home or job related use.
• The beep sounds we hear means that the CPU is trying to communicate with its user and must not be ignored.
○ No BeepShort, No Power, Bad CPU/MB, Loose Peripherals/ Loose card
○ One Short Beep
Computer is OK, Everything is normal and computer posted fine/ normal POST
○ Two Beeps
Post or CMOS Error; review screen for error code
○ One Long Beep, One Short Beep
Motherboard
○ One Long Beep, Two Short Beeps
Video Problem (Mono/CGA Display Circuitry)
○ One Long Beep, Three Short Beeps
Video Problem (EGA) Display Circuitry
○ Three Long Beeps
Keyboard Error or Keyboard card error
○ Repeated Long Beeps
Memory Error
○ Continous Hi-Lo Beeps
CPU Overheating
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