HOW DOES A SOUND CARD AND VIDEO CARD WORK? A SOUND CARD, ALSO KNOWN AS AN AUDIO INTERFACE OR AUDIO CARD, IS A HARDWARE COMPONENT IN A COMPUTER THAT IS RESPONSIBLE FOR PROCESSING AND MANAGING AUDIO SIGNALS. ITS PRIMARY FUNCTION IS TO CONVERT DIGITAL DATA INTO ANALOG SIGNALS THAT CAN BE PLAYED THROUGH SPEAKERS OR HEADPHONES, AND VICE VERSA. HERE'S A BRIEF OVERVIEW OF HOW A SOUND CARD WORKS IN A PC: 1. INPUT AND OUTPUT: · INPUT: WHEN YOU SPEAK INTO A MICROPHONE OR CONNECT ANOTHER AUDIO SOURCE TO YOUR COMPUTER, THE SOUND CARD CONVERTS THE ANALOG AUDIO SIGNALS FROM THE MICROPHONE INTO DIGITAL DATA THAT THE COMPUTER CAN PROCESS. · OUTPUT: WHEN YOU PLAY MUSIC, VIDEOS, OR ANY OTHER AUDIO CONTENT ON YOUR COMPUTER, THE SOUND CARD CONVERTS THE DIGITAL AUDIO DATA INTO ANALOG SIGNALS THAT CAN BE SENT TO SPEAKERS OR HEADPHONES FOR YOU TO HEAR. 2. ...
TROUBLESHOOTING FOR NO DISPLAY FRIENDS TODAY I AM GOING TO TELL YOU ABOUT THE CORRECT STEPS TO BE TAKEN IN ORDER TO REPAIR THE COMPUTER IF THERE IS NO DISPLAY. MEANS THAT WHEN YOU START THE COMPUTER, THE CPU FAN AND SMPS FAN IS RUNNING ALL LED IS ON BUT THERE IS NO DISPLAY IN THE MONITOR. STEP 1 à START THE COMPUTER AFTER 30 SECONDS PRESS NUM-LOCK KEY COUPLE OF TIMES. IF THE NUM-LOCK LED IS GETTING ON AD OFF, THEN THE PROBLEM IS WITH THE MONITOR. IF THE NUM-LOCK LED IS ON OR STEADY ON OR STEADY OFF THEN THE PROBLEM IS WITH THE CPU. STEP2 à SUPPOSE THE PROBLEM IS WITH THE MONITOR 1) CHECK THE AC WALL OUTLET (PLUG) AND POWER CODE WITH THE LINE TESTER OR MULTI-METER. NOW CHECK THE POWER BUTTON IS ON AND THE BRIGHTNESS LEVEL OF THE MONITOR. 2) IF THERE IS NO POWER IN THE MONITOR THEN THE POWER PANEL MIGHT BE FAULTY. R...