Need help with 640 g1 keyboard

[amr soliman]

Hello every one
I have hp 640 g1
The keyboard is not working I try more than 3 keyboard but not working try new bios but same problem try to replace i/o smsc but no luck
3.3v are present any suggestions please

[pc_okay]

Hello,

Keyboard doesn't work in bios too?
check soldier on keyboard connector?