IBM beep codes- There are so many models but these beep codes are generally match with the many models of IBM motherboard some time it vary because new technologies are introduced in a short time period . 1 Short beep Normal POST, System is ok. No beep Problem in Power supply or Motherboard 2 Short beeps POST Error - Code on Display Continuous beep Power supply or Motherboard error Repeating short beeps Power supply or Motherboard error 1 short, 1 long beep System Motherboard error 1 long, 2 short beeps Display adapter error (MDA/CGA) *MDA- monochrome display adapter. *CGA- color graphic adapter. 1 long, 3 short beeps Display adapter error (EGA/VGA) *EGA- enhance graphics adapter *VGA-video graphics array 3 long beeps keyboard card or keyboard error One beep, blank screen or incorrect display fault in Video circuitry Solutions: No beep & power supply solution:- 1st step - check the power source (ups, invertor supply). 2nd step - check power supply cable. 3rd step- check power supply (motherboard required wattage). 4th step- check the fuse of the power supply. 5th step- check the power is supplied on motherboard or not. 6th step- change motherboard or repair it in repairing shop . *The best way is to check by using working power supply on that motherboard. 1 long and 3 short (keyboard solution):- 1st step- check the back panel keyboard port that the keyboard connector is plug-in properly or not .If this problem occur then after plug-in properly then restart the computer system. 2nd step- check the keys of your keyboard that the keys are not stuck. 3rd step - change the keyboard. 4th step- if problem re-occur then check with USB keyboard. 5th step- repairs it in IBM service station.Beep Codes Indications
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