Keyboard and touchpad not working

Hi EEs,
I really do not know what to try else. I have Toshiba Tecra A10-11M PTSB0E on the table. Problem is that built-in keyboard and touchpad do not work in windows (x64 Windows 7 Ultimate). In BIOS, or booted live CD both work without problems. If I plug USB mouse in the Win it works as well. So there is definitely somthig wrong in interaction with OS. In device manager both devices are with yellow exclamation (PS/2 Keyboard and PS/2 Mouse).
Mouse HW ID is ACPI/PNP0F13
Keyboard HW ID is ACPI/PNP0303
Mouse and Keyboard driver points to C:\Windows\System32\Drivers\i8042prn.sys (then second line for mouse is mouclass.sys and for keyboard kbdclass.sys)

What I already did:
- disassambled laptop, clean from dust and re-install all connectors (it was before I tried live CD - shame on me)
- ran chckdsk c: /f
- ran sfc /scannow
- ran MS update
- Last known good configuration
- ran Kaspersky Rescue Disk 10 for viruses/Malware
- uninstalled devices and scan for new HW
- unistalled devices, deleted nonINF files from C:\Windows\Inf and rebooted machine
- downloaded Touchpad driver (Alps) for x64 Vista for Tecra Tecra A10-11J (from Toshiba website)
- downloaded Synaptics driver

I do not have recovery points.
till now nothing else helped me. I really want to avoid Win reinstall which I am almost sure will solve the problem and I know it.

Thanks for suggestions leading to success :)
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helpfinderIT ConsultantAsked:
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helpfinderConnect With a Mentor IT ConsultantAuthor Commented:
Thanks guys, nothing has work for me, so reinstall did the trick
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regmigrantCommented:
have you tried removing the devices while in 'safe mode' ?
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jcimarronCommented:
helpfinder--
I know you said you want to avoid a Windows reinstall, but have you considered a Repair Install?
http://www.sevenforums.com/tutorials/3413-repair-install.html
It is relatively painless since it does not affect personal data or installed programs.  A backup first is always a good idea.
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rindiCommented:
Install the PC's chipset drivers.
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helpfinderIT ConsultantAuthor Commented:
@regmigrant -  I did, no success
@rindi  - I did, no success
@jcimarron - I am a bit skeptic when I read "Do a Repair installation if: You DO want to preserve your user accounts, data, programs, and system drivers." in your provided link and I am almost sure this a driver related, but what can I lose (except data ;))

So repair as jcimarron recomended is not possible, because installation media I have and I used says newer version is installed than the one I am trying (maybe installation media is without SP1 and installed is, because installed OS is up to date)

OK, I have to say we are going to fresh install since no new idea is comming
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jcimarronCommented:
helpfinder--
You can download the appropriate .iso file from here, then burn it as an .iso file (image file)to a DVD and use it for Repair Install.
http://answers.microsoft.com/en-us/windows/forum/windows_7-windows_install/i-do-not-have-windows-7-media-but-i-do-have-my/5ce13741-ac25-4969-ae82-2494726aac1c
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nobusCommented:
install all drivers : http://www.toshiba.co.il/innovation/download_drivers_bios.jsp?LNG=29&service=IL

fill in the proper OS and select 32 or 64 bit OS
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helpfinderIT ConsultantAuthor Commented:
@nobus - did you check for suitable driver on that link you provided? because I can not see anything, maybe I am just missing something
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nobusCommented:
i could not check since you did not provide all details needed on the site
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helpfinderIT ConsultantAuthor Commented:
I provided manufacturer and model, also OS - what else is needed?
And of course I did check driver for touchpad on Toshiba´s official web site for my model before I posted question here, but unfortunetly I was not able to see any driver for touchpad even keyboard (that´s I used touchpad driver from another Toshiba model as I mentioned in my question as well), that´s why I am asking it there is something in your link I can not see or you know it´s important.
Thx
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nobusCommented:
they ask for model, submodel type and more; just check on the site
but if the laptop was made for say xp and Vista, it's very possible windows 7 is not supported
BUT, this aside, you can always install slimdrivers, and let it search for your drivers; fast and free :   https://www.slimwareutilities.com/slimdrivers.php
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helpfinderIT ConsultantAuthor Commented:
I had to reinstall, because nothing provided worked for that poor Toshiba
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