Why can't I unlock bootloader my on HTC Droid Incredible 2?

A

AC Question

Can't unlock bootloader on HTC Droid Incredible 2?

I'm trying to root 2 HTC Incredible 2's and I'm having trouble unlocking bootloader. I've already rooted one months back but for some reason when I try to retrieve the identifier token the command line is "waiting for device" and A box pops up saying "USB Device not recognized" and it pops up as "Fastboot USB" but then goes back to "Fastboot" after the USB won't recognize on both devices. I don't understand the phones have USB debugging on , charge only, updated adb/fastboot, latest java, updated HTC sync managers/HTC Sync, used different cables and computers with no change or progression whatsoever. I've been going at this for hours with no luck...any suggestions?
 

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