Windows 7 can't upgrade to win7 on a vaio notebook

[gumbee555]

these is what i did so far, so many hours wasted pls. help

tried upgrade to windows7 from a pre-loaded vista
but, error will say "can't upgrade, i need to have a service pack 1 running"
went to sony website and updated all the progams that needs to be updated but still the same

i tried clean install, it install fine but since it wiped out everything, it only runs on a standard vga
format, can't update the graphics card it won't let me

fomat hard drive, clean install a home premium vista, updated all the progams
and tried to ugrade to windows 7 again but it's still the same..something about
should be running service pack 1


sony vaio vgn-fz348e
intel core duo t5450
bluray disk drive
nvidia geforce 8400m gt
32-bit operating system
2g memory

trying to upgrade to windows 7 home premium 64-bit version

thanks,

 

[reghakr]

An upgrade is not the route to take. It leaves useless files on your system and can cause conflicts.

Save all you Documents, Pictures, contacts, videos, music, etc to a flash drive,

Be aware, you will need to re-insatllall your 3rd party applcations.