If it wont update via s/w update in the installation page then you need to flash it with the latest bin file in the download section i think its the may one and then you can do a s/w update online and that will bring you upto date11/11/12 v3.00the latest firmware is as follows.
New a780 using online software update
date 16/08/2013
software version pv4.2.03
you need to state your date of firmware on box.
hi joebhoy done that and it all back up and running cheers mate thankyou for your help.go to s/w update in the installations and that brings it back but its glicthing a bit at mo