[Q] Desire will not boot

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http://forum.xda-developers.com – I know there are similar threads, but none seem to cover my specific issue... My Desire (updated to Froyo about 6 months ago) locked up last night (whilst browsing the web), and now will not boot. At first I could not even get to the HBOOT screen, however today I am able to, but if I press the power button alone nothing happens, screen remains blank and no vibrate. The Fast Boot options essentially do nothing, and take me back (after several minutes) to the HBOOT screen. The Recovery option takes me to a white screen with 3 Androids on skateboads (in the middle of the screen, not at (HowTos)