Hi Jonny, If you can, try to start it up in a quiet room and listen for tell-tale signs. When it starts up, is there a sound? The characteristic Apple chime? If not, then capacitors may have failed o the logic board causing the audio circuit not to work. Assuming those caps have failed, others are just as likely to have failed as well. If you don't feel up to the task yourself, contact Charles by email rec...@maccaps.com. Also, when it starts up, you should hold your head close to the keyboard and listen for a tell-tale spinning noise or whine. Thats the hard drive spinning up. Again, if there is no sound, then its likely the hard drive has become stuck or failed. You could also listen carefully to hear if there is a spinning noise, is it smooth or does it sound like a series of one or more clicks. If the spinning and click/clicks is regular, it's likely a hard drive failure. For example Spin - click - spin - click or spin - click-click - spin - click-click, or even just clickety-clickety. I had my hands on two duos at one time, and the docking bays but I fell ill and my boss dumped them maliciously. They were ahead of their time. The MacBook Air of their day. Hope you get to the bottom of this. Regards, Keith On Thursday, 15 February 2018, 10:20:23 GMT, JonnyP <jonnypel...@gmail.com> wrote: Hello, I recently found my old PowerBook duo 230. When I turn it on mac logo appears, but then it gave me an error (000000f and 00000001) with the sad mac face.I already tried to boot it with different keys combination (pram reset, power manager reset, shif key for boot without extensions) but nothing.I didn't understand if it's hardware or software problem.Any suggestion? Thank you :)
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