The system doesn't power up at all when the power button is pressed. Page 1 Z623 SPEAKER SYSTEM WITH SUBWOOFER SYSTÈME DE HAUT-PARLEURS Z623 AVEC CAISSON DE BASSES Complete Setup Guide Guide d’installation complet...; Page 2 CONTENTS English Español Français Português...; Page 3: Know Your Product KNOW YOUR PRODUCT RCA input Subwoofer 3.5 mm input Right speaker RIGHT SPEAKER input LEFT SPEAKER Left speaker input Power button Power … Observed stuff: a) … Hi all, here is the current situation: One day I was using my PC, and my speakers (Logitech Z323) wouldn't turn on. I'm trying to fix my non-functional Logitech Z623 speaker/subwoofer combo. Good to know, thanks Meeb! Logitech Z623 2.1 Speaker System with Subwoofer, THX Certified Sound IE8/IE9/IE10 is no longer a supported browser. regardless of whether or not the system's plugged into my laptop. I disassembled the unit and now have all the speakers, wires and the built-in amplifier accessible. It makes contact as long as you hold the button down. This THX-Certified 2.1 PC speaker system delivers powerful sound with 200 watts of power for big, bold audio. mouzii on 27/11/2019 - 15:13 . First, when I hit the power button there was a loud bassy click sound, then a noticeable static hiss. I tried the most common troubleshooting methods (changing power chords, switching on/off rapidly, etc.) Holding the button down for a long time is a default hardware power kill switch. Hello I have Logitech z623 speakers from 3 years Now all of a sudden I am experiencing my subwoofer stops working at low volumes In order to make it work, I have to raise the volume to maximum But now it is not working either, no bass is coming out from the subwoofer unit. Check whether the cable is fine and whether it is plugged in the right ports. 2. The power button on a PC is temporary push switch. If you are using the laptop, there is only one port. It looks like these are covered by a 2-year warranty so I'm willing to risk it, if the sound is decent, which it seems like it … My beloved Logitech Z623 wasn’t working properly recently, the satellite speakers worked fine but the subwoofer wouldn’t output anything, it would output some bass sometimes for few seconds then it would go mute. Hi, I have a problem with the Logitech Z623. 1. however it did nothing. Model: Z623 2.1 The right speaker has a power button and is a VGA connector. 2 Plug the power plug into an electrical outlet 3 Press power button on the right satellite speaker to turn on the Z623 speaker system 1 2 AUX RIGHT SPEAKER LEFT SPEAKER AUX RIGHT SPEAKER LEFT SPEAKER 3 ON / OFF I … Quick press and release triggers a smart relay on the MB to turn on or off, depending on default or OS state, such as cold on, sleep on, turn off, sleep off, etc. I was curious to why it didn't. 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