Which fan is inoperable? The left fan or the right fan? Are both fans inoperable? If you can’t control the fans with fan control software nor does a SMC or PRAM reset help, I think the fan(s) are dead. MacBook Pro 15" Retina Display Mid 2015 Right Fan Replacement MacBook Pro 15" Retina (Late 2013-Mid 2015) Right Fan MacBook Pro 15" Retina Display Mid 2015 Left Fan Replacement MacBook Pro 15" Retina (Late 2013-Mid 2015) Left Fan

I can answer five of your questions. (1) Yes, the Logic Board is the same thing as a Motherboard. I personally don't know why it's named a "logic board" instead of a mobo. The picture you provided tells me that you can be 100% sure it is the discrete (NVIDIA) GPU that is failing. The rest of the components on the board should be fine. (2) Data recovery from a SATA drive is easy. Buy the enclosure I have linked to below, remove the hard drive using the guide I have linked to below. Once you have removed the hard drive, place it inside the enclosure and plug it into a computer (doesn't matter what OS) and you can then view the files inside the drive as if you were viewing files in a USB drive. You may have to do some digging thru folders and directories, though. (3) If you were to take your MBP to an Apple Store you would be laughed at because of how old this machine is. Apple won’t touch your machine, unless you are having them throw it in the trash. Apple Tech Support won’t be much help either. They will...

Looks like a factory reset didn’t help, nor was the storage full. I think your motherboard may be indeed kaput. Replacing it should get you back into business. GoPro Hero 3 Silver Motherboard Replacement GoPro Hero3 Silver Motherboard Update (11/20/2018): You can try to follow this guide to update the software, which may solve your problem. I think there’s more then a software issue going on here, though.

We can test to see if coconutBattery recognizes the battery. Complete this guide and upload a screenshot of the application window to your question. Adding images to an existing question If we get results from coconutBattery that look like this image, the battery is a dud. Replacing it with a new one should do the trick.

There are two screens, the front screen (black and white) and the back screen (bigger color display). Which one is broken?

It’s possible that your headset is incompatible with your controller. Are you 100% sure your headset is compatible with your controller? Where are you plugging your headset in on the controller? Headphone jack? Other port? Also, the model number of your controller would be helpful for further troubleshooting too.

It must be one of the three things. Try these solutions in the order which I have posted them in. (1) Software problem; try a hard reset of your phone using this guide (you will lose all of your phone data doing this, so back up your data accordingly) (2) Battery problem; replace the battery (3) Charge port problem; motherboard replacement is required due to the charge port being soldered to the mobo.

Some tiny drops of super glue on the sides of the speaker chamber should work.

Possibilities of what your problem could be… (1) You broke your phone’s glass, but the touch is still working. (2) The phone is not showing anything on the display, but the digitizer works (3) Something that is not on this list that needs more specification Either way, you are looking at a screen replacement. I don’t advise replacing the LCD only because the glass and the LCD are fused together. (you'll be swearing until the swear jar is full) Amazon Fire Phone Display Replacement https://www.ebay.com/itm/OEM-Amazon-Fire-Phone-SD4930UR-LCD-with-Digitzer-and-Frame-ORIGINAL/272944560241?hash=item3f8cc3787...-1

If it doesn’t hinder your ability to use the battery normally then just leave them on. There is no benefit/disadvantage for removing the screens.