Keyboard and mousse dont work on login screen, recovery failed to start

one of the best ever, im trying not to throw this laptop through the window . not because im being reasonable, but because I have shitty neighboors .
ok,
HP pavillion DV6 windows 7 , i7 core
1/ mousse and keyboard works fine before it shows the login screen.
     STOPS working both even when i connect USB keyboard and mousse on normal and safe mode
     the shortcuts on top of the keyboard still works though (screen light, volume control, wireless on/off ... etc )
2/ my recovery fail to start
3/ tried the battery thing stil mousse and keyboard NOT working
4/ I also managed to run command prompt with windows 7 DVD in french (not compatible) but helped me run
chkdsk C: /r /f
and
chkdsk D: /r /f
means hard drive is ok, but recovery still fail to start and asks to run recovery from windows CD (I dont have one, and I dont want to loose my windows license)
how to either fix recovery or keyboard/mousse
I fixed more than 500 pc in my life, I cant fix mine now

Hello zgued. I understand you're having some trouble with your keyboard and mouse.
If you were to reboot your computer and access the BIOS using the F10 button does the keyboard work there?
Which dv6 do you own? Identifying the notebook by the product number is the most helpful. This document can show you where it is located.
Have you ever taken the notebook apart? The symptoms you describe would fit with a damaged or loosened cable inside the notebook.
I feel that I should first help you troubleshoot the recovery issue. I say this because performing the recovery will rule out software issues with a 99% certainty. So, what was the problem you faced during a recovery? Do you get any errors?
I'll keep an eye out for your response. Have a great day!
Please click the white star under my name to give me Kudos as a way to say "Thanks!"
Click the "Accept as Solution" button if I resolve your issue.

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Keyboard and mousse dont work on login screen, recovery failed to start

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