My Xbox One S was recently plugged in during a lightning storm and got struck by lightning. This knocked out my T.V, Wifi,...

No. That is the incorrect speed for the Mac mini’s system. You would need : (1) 2666 MHz PC4-21300 DDR4 SO-DIMM memory (2) 260-pin (3) Unbuffered (4) Non-parity Its recommended that you setup the ram in these configs : (1) Two 4gb sticks (total of 8gb) (2) Two 8gb sticks (total of 16gb) (3) Two 16gb sticks (total of 32gb) (4) Two 32gb sticks (total of 64gb) Edit Reference Link: How to upgrade RAM in the 2018 Mac mini and save money {Video}

My input on this question is that you may have damaged one of the display cables (as they are VERY delicate) or the connector on the logic board has been damaged.

What macOS version are you CURRENTLY on? You might what to wipe the drive and reinstall from a usb if this continues to happen.

The screen doesn't even come on? If nothing was repaired, send it back because obviously something is not happy. Did you send it to apple?

Is the device jailbroken? Try recovery mode and "update" to the latest iOS (11.4)

Yes. iOS 10.3.3 is the last iOS update to the iPhone 5. IF it gets stuck try putting it into recovery mode.

This can be solved by opening the watch and adding some stuff to help the video connection stay together. Search ifixit for “pebble sreen”.