after finally getting my laptop to detect my phone i clicked to update the firmware ... all going well then half way through process it says something about no sever,try again later ... ok soo when i connect sgs to laptop it comes up with update availible soooo try again,instantly it diconnects itself and within seconds it loads itself back up again ...keeps doing this over and over..ive backed up all my data ..rooted phone and im noo pc or smartphone wizz so being getting by from what ive read on forums but nothing relating to this 
((( anyhelp please 
((( anyhelp please 