You did insert your drive key into the ixtreme firmware, didn't you? From what you've said, it sounds like you prepped the new firmware BEFORE you'd backed up your original. If that is what you've done, then you need to extract your drive key from the original firmware, insert it into the new firmware, and then flash that to the drive.
If you're having problems flashing, it's mostly probably due to the firmguard in the new firmware. Either burn an 0800 enable disc, or use the 10 second trick. All of this stuff is well covered in the tutorials. Just make sure you read them properly this time. (IMG:
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i didnt read that part in the textbook tutorial but i guess thats what i have to do. what firmware would you suggest for me? i dont want to use xbox LIVE (have a 2nd 360 for that) and i have read that some MS25s dont like the MS28 firmware so i want to make sure that i get one that will work on all MS25s. thanks!
EDIT: what exactly is the 10 second trick. i searched yesterday when i read about it but all i found was people telling others to use it but never WHAT it is or HOW to do it.
EDIT2: nvm. found it. i dont have a VIA chipset so i guess i have to wait for my DL DVDs to get here today and make a 0800 enable disc. damn kinda a waste of a DVD (IMG: