Backlight issue.. External display-OK. Displays but NO Backlight!?Hi, I’m new in component level repair but been fixing iMacs for good 2 years now. Have a recent A1418 Apple IMAC 21.5''...
回答“My headphone jack glows with a red light”Stop giving your MacBooks those ‘Blow…..’ ; ) Though I do admit doing/trying this ‘Blow…..’ with industrial air compressor on a high pressure setting, which by far probably can do it better than all of us. It didn’t help! Ps…Hope no-one seen you doing that ; )) Get hands dirty with replacing a spare working one from some donor board.