Sony Vaio pcg-791m keyboard not working

[joezkg]

hello guys.. i reformat my laptop sony vaio pcg-791m and seems everything runs fine except for my keyboard its not working , i checked the drivers but its already installed, and when booting to try pressing F8 for run into safe mode my keyboard run fine but when my windows boot up it doesn't work anymore.. those any one could help me?!!!

my bios has a password.. maybe it is the main reason why it never functioning?!!!

 

[joezkg]

i have already found the solution .. install the OEM os and the laptop driver...