Support Can't put any custom roms on my device

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http://androidforums.com – Hey, I rooted my phone using the guide on this forum and that worked great (except from having a blackscreen when I'm in CWM recovery, but fixed this with Droid@screen). I made a backup using CWM, and it's a good thing I did this!!! I'm trying to install a custom rom om my phone, but everytime after installing the custom rom the phone won't start up anymore (it's stuck on a blank screen with the HTC logo for hours) and I have to restore my backup to get my phone working again. I've tried the following roms: SpeedDroid JB V1 MIUIv4-marvel-2.7.6-odex None of them work. Is there any rom yo (General)