If so then switch to a ps2 keyboard and mouse.
Attach USB keyboard/mouse after Windows boots to desktop.
Windows will then install the necessary drivers needed for USB keyboard/mouse.
i have a Sony Vaio model PCG-9P6L and the operative system is windows XP Home Edition. When i turn on the computer i can not put the password. None of the keys are working, i've been trying restarting the computer but it didn't work. If is the case how can install a new driver??