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Or you use jrockys toolbox add on disc, go to dashboards and select the dash you want....... Select xbmc emustation, push 1 button and it'll automatically set the dash for you and more importantly save a recovery dash in case something somewhere goes wrong. By doing what you've done and changing file names if you run into any sort of dash issue or launch issue you could be totally screwed and have a bricked xbox. It's your xbox and if it's worked its worked, but personally I'd backtrack, change it back to what it was and run the proper dashboard program that was made specifically to do it safely.

Cool..... My link can still be used for earthworms roms then as some seem to struggle to find them

Ok, I've uploaded the N64 setup to google drive. Decided to upload everything as a single rar file (2.4gb), although it may be split by google drive so just download all parts and then extract them together. Once extracted you will have 3 folders...Emulators, Media + Roms (Earthworms roms).......Also included is a text document with instructions. Very simple though just place the required folders as you do for all emulator setups and rescan, nothing needs changed or added in any way and all games can be used the same as all other XBMC Emustation emulators and launched in the same way without black screen or exiting out of Emustation. Here is the link....... https://drive.google.com/open?id=17FYkAD3jTl4keBjkbp4-h2opZR4eROw3 Enjoy! Big thanks to JRocky5 for making it all possible!

Just got your post I'll upload when home later today and post link here for you and anybody else struggling.

The surreal that emustation downloads is bugged, somehow, not sure what the bug is or where the bug is but that's why it won't work. I know this because I took the emulator files and ftp'd to show on main dash under emulators, got it to show, got it to show roms, select a rom and the same black screen occurred that occurred in emustation..... So its the surreal emu causing the issues, absolutely nothing to do with emustation! The same happens with earthworms surreal he supplies with his 201 rom set, again no ide what the issue is but in emustation and main dash it just hangs on a black screen. I got it working though by downloading a fresh surreal from source, installing that to emustation, then ftp'd earthworms relevant files (configs, ini etc etc) and it works perfect from emustation like all emulators do. Im by no means an expert on xbox modding, quite new myself so can't diagnose the issue just know how I managed to fix it after pulling my hair out for hours. If need be I can probably upload the emulator setup to Google drive for folk to download, the roms I won't include for size reasons. So all anybody would need to do is ftp the file I provide and overwrite the existing n64 emulator file. Just let me know if anybody requires it and I'll upload.