Stuck in boot, cant get to recovery.

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http://forum.xda-developers.com – Rooted Vibrant running Helly Bean 2.2. Camera wasnt opening so i rebooted my phone. Get stuck on cyanogen loading screen and does nothing. I pull battery, reinsert, volume down+power and i get nothing. The samsung vibrant screen flashes, and either turns off or goes into infinite cyanogen loading screen depending on how long i hold the power button. I cant get into download mode either. How can i force it into recovery? (HowTos)