Are those wires (Black and Red) connected to the speaker itself? If it does, you snapped the wrong wires. Solder them back to the board. You could solder a connection but the speaker won’t be portable anymore (since the charger is soldered into the board of the speaker). Solder the Positive wire of the charger to the positive terminal (the place where the micro usb connector is attached) and negative to the negative terminal.
There might be a foreign object present in that part of the controller. Taking a magnifier and a bright light can help you find that object. If there were no foreign object preset. Replacing the film is the last option.
Reformatting the PC is an option. But if you have knowledge on the deep part of windows. Then continue reading. 1. Boot the computer into a Windows 7 installation disk (we won't do a complete reformat / reinstall / delete of the computer). 2. After its booting up. You will get a window with a button Install windows. Select "Repair your computer". 3. Select your operating system (obviously windows 7 unless you got a dual boot system) 4. Click Next 5. Select Command Prompt. (At this point its kinda tricky) 5.1) at the console. Type in " C: " without quotes. 5.2) type "dir" no quotes 5.3) If you found "Windows" and "Program Files" You're at the right drive. NOTE: If you didn't find these folder At C. Replace C with D (should be D: ). Until you find those 2 folder. If not at D. go deeper. (I mean go from C: to Z: until you find those 2 folder). A and B are reserved for floppy. 5.4) now type in "cd ?:\Windows\System32" without quotes. NOTE: "?" corresponds to the letter on where you found the 2 folders at step...
Entering DFU might help. While iPad is turned off and connected to PC. Press Power button and Home button for 3 seconds until you hear a disconnect sound from your PC. Now Press Power for 3 seconds. After that press Home button but dont let go power button and count 10 seconds. And last let go of the power button and keep pressing on the home button for 15 seconds (or less). If you hear the Connect sound. You're now in DFU mode (Device Firmware Upgrade). It's a black screen. It may look dead but give it a shot. Restore it with iTunes. DFU mode can help avoid these errors.
This happens if you typed in incorrect passcode several times. The only way to remove this is to connect this phone to a last known PC that you've connected it to. After that open iTunes and it will ask you the password there. If you didn't connect it to a PC. Restoring the iPhone with iTunes will be your last option. Note that Restore will erase everything in your phone (unless you back up your phone via iCloud) and update your iOS to latest version.
After you reinstall your Operating System. Did you install the driver that came with the notebook? (Like a CD installation). Sometimes the drivers provided by Microsoft (or came with the installation disk) aren't compatible with the device. Have you checked Device manager and see if you could find the SD Card Reader's name on it? If there is. Your card slot might be the problem or the sd card itself. Have you tried testing the SD Card with other devices? such as a phone or an another PC's card reader.