I never noticed this before. I forgot to charge my droidx last night. My co-worker has a DroidX and she loaned me her usb charger to charge it off my pc, but the phone does nothing. It does not recognize the usb at all. Any ideas? This is the first time I tried the USB to pc connection. The phone charges fine with the AC adapter and also the car charger, but the USB port is not recognized. My co worker showed me her phone and it is charging fine on the same usb cord.