Will the Samsung S9 power on with no battery connected ...I am repair a S9 and while removing the battery it punctured ( Battery was unplugged at the time) . Will the Samsung S9...
Nvidia 320m reflow profile?I have a Macbook pro 13" mid 2010 that I believe to have a faulty connection between the GPU and the logic board due to...
回答“Nvidia 320m reflow profile?”Though I believe the GPU was not getting power, I found that the issue was due to a short from a small water spill. Once I ran it through an ultrasonic cleaner problem was solved.
回答“Nvidia 320m reflow profile?”Hi, thanks so much for the detailed response. Some of the symptoms that lead me to believe I believe to have a faulty connection between the GPU and the logic board. -Upon pressing the power button the unit powers on ( fan spins, white led illuminates ) - No chime - Screen does not come on or light up in anyway ( apple logo on lid does not illuminate ) - Keyboard shows no sign of life ( caps lock does not come on and keys do not illuminate ) - USB ports do not seem to function ( plugged a USB light in during startup ) Seeing the GPU chip has the Southbridge onboard which controls sound, keyboard, USB along with the screen not showing any signs of life my guess is that the GPU over heated and may need to be reflowed. I've tried - resetting smc and pram - resetting all cables and connections - reseating all hardware I have some experience in reflowing laptops, desktops and video cards with a hot air station and just recently acquired a PCB preheater. I am just now starting to work on Macbooks so this will be...