Why is my laptop speaker making a crackling sound?
Install or update audio or speaker drivers. Connect external speaker/headphone to another device and check for sound. Ensure the external speaker has power and the cables are connected properly. Why wont my speakers work on my Dell computer?Ĭheck if the external speaker is set to the default output. 1) On your keyboard, press the Windows logo key and R at the same time to invoke the Run box. You can uninstall and reinstall the audio driver and your input/output device driver to fix it. 
If your audio driver is corrupted with your system, you’re likely to have the no sound on your Dell laptop. Why does my Dell laptop keep losing sound?
How do I Turn on speaker on Dell Inspiron 15 5000?. 
Why is the sound going out on my Dell laptop?. How to fix sound problem on Inspiron 15 5000?. How to fix audio driver on Dell Inspiron 15?. Why do my speakers not work on my computer?. How do I fix the sound on my Dell computer?. How can I improve the sound quality of my Dell laptop?. Why is my laptop speaker making a crackling sound?. How do I troubleshoot an audio problem?. Why wont my speakers work on my Dell computer?. Why does my Dell laptop keep losing sound?. You can also try to reduce the number of loops in your audio wires and see if it helps, but no guarantees. If non-graphics-intensive programs cause this as well, it could be hard-disk access, or even certain frequencies of CPU/power usage being picked up on an audio line like an antenna. It could also be picking up static from a number of other sources, and I wouldn't say it's necessarily unusual. Try moving any audio cables as far as possible from the fan and power cables and see what happens. If your programs cause the fan to turn on and it's either close to your sound card or the fan's power line crosses an audio cable, it could cause some static. Not knowing anything else I'd venture a guess that it could be related to the fan on your graphics card. Does it occur if you run any other graphics-intensive programs? Also, what happens if you mute various channels in the mixer (sndvol32.exe on 32-bit windows)? Since you say you don't touch sound in your programs, I doubt it's your code doing this.
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