HELP i messed up soft moding

I tried softmoding with splinter cell and now when i try to unsoft mod it will say failed and i forgot to back up my eproom. My dash borad is gone but my xbox still boots games how can i get my xbox back to normal. PLz HELP

If your xbox still boots games, then luckily, it will still boot mechassault, or one of the two other games you can perform a software exploit with.

Simply softmod again.

Follow my main softmod tutorial here, and everything should be fine.