Did you partition the new drive ?
Did you format the new drive ?
...'...windows can not recognize the device.' Where are you looking under Windows ?
I have a Simple Tech SP-U35/320CL external hard drive with power cable.I'm usung a Toshiba Satellite A205 running on Vista. The Simple Tech device is suppose to be a plug and play device. When the device is plugged in windows can not recognize the device. Any help or solutions to my problem would be greatly appreciated.