2015 macbook pro won t turn on how to#
2015 macbook pro won t turn on install#

Turn it off, connect the hard drive and try turning it on again. If the laptop turns on and boots to a white screen with a folder and flashing question mark, itвЂ™s a good sign. Plug in the AC adapter and try turning it on as normal.

2015 macbook pro won t turn on install#

Install the motherboard into the laptop and connect the following: You can continue assembling the laptop if the LED light on the AC adapter plug turns on and remains solid green. Maybe you missed a spot with liquid damage. Just to make sure, take another look at the motherboard. If the LED light doesnвЂ™t turn on even after replacing the MagSafe board, most likely the motherboard is fried. In my MacBook Pro I had a board with the following number: 820-2565-A You can search for a new replacement MagSafe board using the part number from the original board. The MagSafe board can be easily unplugged from the motherboard and replaced. If still there is no LED light, itвЂ™s possible the MagSafe board was damaged and has to be replaced. If the LED doesnвЂ™t turn on, try reconnecting the MagSave board to the motherboard and test again. If the LED lights up, you can jump to the step 12. The LED on the power plug has to turn on and remain solid green. You will have to assemble everything back together one step at a time and test after each step.Д«efore installing the motherboard back into the case and connecting anything, plug in the AC adapter into the MagSafe board.

2015 macbook pro won t turn on how to#

It is important how to assemble the laptop back together after you cleaned up the liquid damage. You can use a hair dryer or air compressor to dry them faster. If you used DeoxIT contact cleaner as mentioned in the step 5, it might leave some residue but itвЂ™s normal. If found, clean it up with the toothbrush and alcohol.Д«e careful, some cables are thin and easy to rip.ДЄfter the cleaning is done you will have to wait until the motherboard and other internal components are completely dry. Inspect all cable connectors for liquid damaged. Inspect all connectors on the motherboard. Inspect both memory modules and memory slots. Inspect external ports and connectors on the side of the motherboard. Inspect hidden areas on the motherboard, like an area under the speaker.

After that clean these areas using a toothbrush and alcohol. If you find wet areas on the motherboard, dry them out very carefully using a soft cloth (without rubbing the motherboard). If you spilled something sticky or sugar containing drink (milk, coffee, soda, liquor, etcвЂ¦) you can use regular hot water to clean it up. Inspect both sides of the motherboard for any liquid damage, corrosion, wet areas, etcвЂ¦ДЄlso, inspect the MagSafe Board (power connector board).Д®ven a minor corrosion can affect the functionality of the computer.Д¬lean up any liquid damage/corrosion using a toothbrush and isopropyl alcohol. There is not much you can do to clean them up inside. The keyboard and trackpad a sealed units. iFixit has some great teardown guides.ДЄfter the motherboard is removed, insect all remaining internal components (DVD drive, trackpad, area under the motherboard, etcвЂ¦). You will find many instructions on the Internet explaining how to remove the motherboard from MBPs. If laptop repair fails, later you can transfer data into new Mac. If it is wet, wipe is clean and let it dry thoroughly before turning on. Remove the hard drive and take a look at the controller board on the bottom side of the drive. If the battery is wet, wipe it clean with a soft cloth. The sooner you disconnect the battery after liquid spill, the better. Remove the bottom cover, disconnect and remove the battery. Make sure you have all necessary screwdrivers before you start: Phillips #0, Torx T6, Try-wing and Pentalobe P5 (if you are fixing a MacBook Air). Do not try to turn it on! It has to be disassembled for liquid damage inspection. VERY IMPORTANT: After you spilled something on your laptop turn it off right away. In the following example I am working with a MacBook Pro 13-inch but all following steps will be the same for all MBPs. Not all liquid spills can be repaired but if you do everything correctly there is a good chance to get your computer back to life.