MBP Retina 2014 CPU overheating due to temp sensor bug

Flashlight sometimes doesn't turn on. Seems like hardware.

Is reballing bottom RAM slot is a viable solution or not?

How to check how good battery is with only phone and multimeter?

iPhone 5S shows low battery black screen even when it's not connected.

Are Magsafe I/O boards electrically compatible? Models A1150 and A1226

Are pre Unibody MBP topcases are interchangeable?

Antwoord op "iPhone 5S shows low battery black screen even when it's not connected."

Antwoord op "Backlight flickers randomly, pressure on the keyboard helps."

Antwoord op "Can't turn ON with power button, but it works otherwise"

Antwoord op "Very-very loud krrr-krrr-krrr-krrr-krrr sound from dc-in"

Antwoord op "Chirp sound coming from left top side?"