Stuck on HTC logo, can't get into recovery

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http://forum.xda-developers.com – Hi guys, I had stock 2.3 rom on my HTC Desire and I wanted to downgrade to stock 2.2. In order to do that I had to S-OFF my device and change the HBOOT version. I followed the instructions by alpharev.nl, but something went wrong. Currently I can't get into recovery mode in order to install any ROM. When I try to select the RECOVERY button, the phone restarts and shows HTC logo. When the phone is inserted to one of the USB ports it shows Fastboot USB or HBOOT USB PLUG, the computer recognises the driver. This is what I get when enter volume down+power BRAVO PVT1 SHIP S-OFF HBOO (HowTos)