Re: BullMerde
2. [...] There's normally no air gap between the display and outer screen, so highly unlikely this would be the cause.
Yet it's a known problem (read the thread to the end) and here is the solution (replace the display). At least with the pre-2012 iMacs you could pull the outer pane off with suckers and give both the outer pane and the display a clean, 2012+ iMac screens can't be cleaned.
4. Even with today's unrepairable laptops, it doesn't take much to take the back off and give the fans a quick blast with a can of compressed air.
Look at the video above, Louis Rossmann needed an ultrasonic cleaner to bring a MacBook board back to life. If you reply saying "yeah but corrosion", watch again - he repaired the corrosion, plugged it in at 2:56 and it was still dead, put it in the cleaner, then afterwards it powered up.
Biting the hand that feeds IT
