Pro 197 update timed out??

cant update firmware



scanner now doesnt have firmware





up bootver: RF1.2

up App ver: NONE

CPU SW Upgrade

wait for PC/IF



Ive tried version 1.4 1.7 2.0 and 2.1



I can get the scanner to enter upgrading.. mode but the upgrade utility will stop and I get a message that says TIMED OUT WAITING FOR RESPONSE FROM SCANNER. ??