When I installed the windows 7 on my laptop the function key and stopped

[selhamid]

when I installed the windows 7 on my laptop the function key and the mouse courser goes to right when moved to left and conversely ,also for up and down , please I need a solution for this problem .

Laptop Model : somy yaio VGN-sz583n/c

 

[buzznut]

did you install all the system drivers? That's an unusual problem, but more info is needed if you want help.
What operating system was originally installed? Have you tried Sony customer service?