Have the Community Noticed? It's not just me. CRB43...

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Well I've been around the net lately especially here, and have been noticing a number of people Not being able to Root there phone because of something thats sound simple but in the end is actually pretty Complicated. I myself have encountered this problem when attempting to Re-Root my G1.
Heres an example of whats going on in two diffrent ways, there still might be more I'm unaware, but this is mainly what I'm Seeing.
1 Reason
User attempts to Format G1 via USB
When attempting to do so computer fails at this process because the G1
ejects itself for no reason at all. And when putting the sd card back G1 doesnt accept it so it prompts you to reformart it, which by the way doesn't work because if you put the DREAIMG.nbh on the card after formatting it from the phone,it repeats the above.
2nd Reason
User is able to format card sucssesfully
And user is able to put DREAIMG.nbh on card but, when attempting to downgrade to RC9/RC7 from the bootloader menu it flashes the message
"No image file" (In green text or not pressing the Send key to enter fastboot wont work)
And to top it off, (Goldcard, Rogers, Another SD Card and XP Machine options do not work(Well for me they dont)
So XDA Community, I am asking (and so are many others) is this a Phone Problem
A Card Problem or did Google finally "blacklist" the DREAIMG.nbh file, so you cant downgrade to RC9/RC7
And if not please solve What the Muck is going on here!!!.

It sounds like a card problem. You are still able to downgrade to rc29 or rc7.

sd card

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I had the same problem, it was my sd card. I think caused by not using the HTC usb cable. I believe it corupted my card.