I cant able to see any thing on my display except white screen in my mobile ,what is the problem?

Hi,
there are two kinds of white screen in phone,
the first one is because of damage LCD (glass screen) ,
defective display driver (small chips that makes the display works)
and the other one is corrupted software...in damage lcd the phone will detected
by computer because its software is still working...so ,
the problem of your phone am sure is the second one ,
corrupted software....your phone needs to reprogram,and
need to go to the model of the phones care center to fix you problem...
i hope this will helpout......