iMac 2008 no display, no chime
I have brought an Imac, and it's fans start spinning and diagnostic led's 1,2 and 3 are on the 4th one isn't no display but machine running?
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Sadly the GPU logic has likely failed (soldered on ATI Radeon HD 2600 GPU) or the high end offered a GPU module.
Or the LVDS cable connection to the display has become damaged or the LCD display its self.
- A used replacement logic board goes for $60 ~ 80 USD
- A used GPU board 2007 (2.6GHz and 2.8GHz models) $150
- A used display is about $80
- A used LVDS cable is about $12
Without doing more diagnostic work I’m only guessing.
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Could it be the inverter cables?
@Dylan The PC Builder - The inverter only drives the backlight not the LCS panel its self.
