Originally Posted by aiharkness
If you have a microSD card installed, remove it. Make sure you BlackBerry battery is good and charged. Don't use a USB hub or keyboard or monitor connection, etc, and connect directly to the computer. Turn off power saving to make sure the computer isn't turning off power to the USB port.
Posted via BlackBerryForums.com Mobile
Thanks for your help but not success
I have 2pcs 8100 and all updated ok
perhaps it's hardware problem
can anyone help me
Thanks in advance