ASUS S520/A5 FIRMWARE UPDATE problem

vbimport

#1

pls
i can’t update the current firmware 1.1 to 1.22
i’ve downloaded the file CDS520_A5_122.exe from asus website , and then when i start flashing the drive it shows
" FLASHING
ERR: fail to identify the flash type!
flash complete "

reboot the computer right now
i press ok the pc starts again but when i check the firmware it’s the same

is there’s any jumpers setting should i make or what
thanks in advance