Hello,
I've recently got two 2009 iMacs (820-2733-A) with the video issue I have never come across before. The symptoms are as described briefly in the topic:
How do I know the listed components are ok - have working 2009 iMac C2D to exchange the components with.
I suspect motherboards, but two iMacs with the same issue? Maybe this is something common for these models and somebody has solved that before?
Any help would be very appreciated.
Thanks in advance.
Tom
I've recently got two 2009 iMacs (820-2733-A) with the video issue I have never come across before. The symptoms are as described briefly in the topic:
- both boot with chime and load the OS (Live Linux from USB),
- four LEDs are on,
- the LCDs get the backlight, but no video data (black screen with just the backlight),
- no video on the external monitor,
- GPUs are 100% OK,
- LCDs and LVDS cables are 100% OK.
How do I know the listed components are ok - have working 2009 iMac C2D to exchange the components with.
I suspect motherboards, but two iMacs with the same issue? Maybe this is something common for these models and somebody has solved that before?
Any help would be very appreciated.
Thanks in advance.
Tom
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