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DELL A425 SUBWOFFER PINOUT
CABLE PIN OUT
PIN 1 SPEAKER 1 PIN 5 SPEAKER 2 PIN 3 INPUT 1
PIN 4 INPUT 2 PIN 8 EXTERNAL VOLUME CONTROL PIN 2-5-7-9 GRD
PIN 8 MUST TO GROUNDED FOR MAXIMUM VOLUME OUTPUT
Background noise recording with dell
Get a wired lapel microphone and plug it into the microphone input on your Dell. The onboard mic is designed to record all ambient sounds. You want a different product to get the result you're looking for.
How can I fix the sound on my Windows 7 computer
Try plugging a pair of headphones or earbuds or a different pair of known-working speakers (in places of the current speakers) - if you get sound with the "replacements", then there's a problem with the "current" speakers; otherwise, the problem is the sound on the unit.
Alternatively, plug the "current" speakers into a different (preferably, known-working) unit. If there's still no sound, then there's a problem with the speakers; otherwise, the problem is the sound on the original unit.
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