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Apple Computing Products:
macOS - Desktop Hardware
power supply failed need advice
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<blockquote data-quote="dtravis7" data-source="post: 1669372" data-attributes="member: 8287"><p>Are you sure all cables to the Backlights in the LCD and the Inverter and Video cable are secure and plugged in correctly?</p><p></p><p>If so it could either be the Backlights in Display but usually there are two and one should work at least, or the Inverter board that powers the Backlights.</p><p></p><p>All my iMacs from the G5 iSight to the latest 2008 have a backlight CCFL tube at the top of the display and at the bottom. Two sets of Wires going to the inverter board.</p><p></p><p></p><p>my 2008 Imac I got used had the top of the screen dark. Got a new Inverter for under $10 on Ebay for that machine and it came alive.</p></blockquote><p></p>
[QUOTE="dtravis7, post: 1669372, member: 8287"] Are you sure all cables to the Backlights in the LCD and the Inverter and Video cable are secure and plugged in correctly? If so it could either be the Backlights in Display but usually there are two and one should work at least, or the Inverter board that powers the Backlights. All my iMacs from the G5 iSight to the latest 2008 have a backlight CCFL tube at the top of the display and at the bottom. Two sets of Wires going to the inverter board. my 2008 Imac I got used had the top of the screen dark. Got a new Inverter for under $10 on Ebay for that machine and it came alive. [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
power supply failed need advice
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