Keyboard and Touch pad is not responding

I have one Lenovo G450 with Windoxs 7 which was working fine. But suddenly I am having some strange behavior.
Like, when I am starting my laptop then its keypad or touch pad is not responding. After couple of shut down/restart (can't figure out how many times, actually its not constant) the keypad or touch pad is responding and working fine. Again when I shut down and try to start sometime later then having the same problem.
Please help.
--Bashar

Hi
Welcome to Lenovo Community
Please check the following options .
Try entering the Bios using F2 Button , If you are able to enter Bios
Load Setup defaults .
Then try to Load system to safe mode by pressing F8 key & check if you are able to use the Keyboard and Mouse
If it is working fine then try to uninstall the devices from device manager . Restart the system and boot to normal mode
and verify the keyboard & touchpad is responding .
Hope This Helps
Cheers!!!

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