Require wireless driver for T60H677.06

Question

i have accidently uninstall this driver. Now my Toshiba laptop dynabook satellite J11 series donot recognize any wireless adaptor. in device manager it says found new hardware, but there it is written Ethernet controller with a yellow question mark. i opened up the back panel of laptop where onthis adapter it is written T60H677.06. I think this is the wireless adapter but how to install the driver.