@XEntombmentX Ah shucks that happened to me the first time too.
For future reference, when done transferring files, right click the disk in the manager and select "Flush Cache to Disk" and then it's ok to remove the drive.
I should have mentioned that.
@lurker It can be done. A lot of people jump to the direct GPU which cannot be done, however the Displayotron Hat LCD panels you can get for the Pi which run over the GPIO interface use a frambuffer which runs independently from the GPU, so terrible framerates overall but for displaying 2D graphics.static images it is perfectly acceptable. All you need is a display of similar construction with an SPI interface to send the image to.
I am back, well rested and ready to go on what could be my final attempt before I give up.
-What I did different, formatted RP Micro SD card to FAT32 (32gb card) previously was ntfs, I don't even know if it matters. I'm unplugging my ethernet wire. I'm transferring the rom folders that screwed it up in the first place, first.
Transferring over 3 'problem' folders first, plugging external into pi.
works, transferring over every rom folder but about 4 now.
3. mostly all rom folders are transferred, about to test it now.
4. boost file system error as seen above..... i dont know what to do.