Hi! I have laptop toshibasatellite/ i use it in my cat with powerinwerter/ i have static noise in audiooutput when i conect laptop and carsdplayer with cable/ when laptop work only with battery no noise. everething ok/ can you halp me?
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You have whats called an earth imbalance, you may indeed find that you need to ensure BOTH ends are earthed, usually via the cable, but some/most adapters are above earth and cause this problem, all i can suggest is to try a new adapter, and make sure you have good earths between the two units, via the Audio cables. The reason it works OK without the PSU, is there there is then NO earth connected from the mains..
I have found sometimes that this symptom is indicative of a bad earthing of the House/mains wiring too. This is common if ion a dry climate, you may need to earth out your system better, or just use batteries when doing this?
Hi. Check for outside sources that might be causing the static noise. The laptop might be near an Electro-magnetic emitting device like a high-powered lamp or speakers or wireless phones or even a device with a running motor.
hi.. Based on what you are stating, could be power supply problem. Try
replacing power supply adapter that Dell supplies. Go on Dell support
page using your computer number and you can see if there are any
manufacturers recall on the computer or the power supply...