USRP2 and DBSRx

I burned DBSRX usrp2 firmware image (burn_dbsrx_eeprom.bin) as
suggested,
but then only F LED turned on and find_usrps command says: No USRP2
found
which was not the case initially.

Then I burned UHD firmware and UHD fpga image from (
http://code.ettus.com/redmine/ettus/projects/public/wiki/U2binaries#Firmware-Images).
Now, LEDs D and F turns up but still find_usrps gives No USRP2 found.

I also tried burning Raw ethernet FPGA image and Raw ethernet, no WBX or
XCVR image on the SD card. LEDs D and F lights up but still find_usrps
gives
No USRP2 found.

(While burning all of those firmware and fpga images using (both
usrp2_card_burner_gui.py and dd.exe), I received an error - error 87 the
parameter is incorrect)

Please advise,
Amee