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Windows 7: Windows unable to initialize laptop keyboard/trackpad

04 May 2016   #1
Gnimble

Windows 7 starter, Vista Home Premium, XP Home
 
 
Windows unable to initialize laptop keyboard/trackpad

Hello everyone,

Greetings from Ecuador. A friend brought me a computer of another friend who has problems with his HP Pavilion G4 laptop. The laptop keyboard and trackpad is non-responsive when the Windows 7 boot. I combed the web and tried the many suggestions to get it working again but could not get the keyboard to work.

When booting up, the keyboard works; I was able to enter the bios and reset the configuration. But once windows starts, the keyboard no longer works. In the device manager, Windows showed that it cannot initialized the drivers both the keyboard (standard PS/2) and mouse (PS/2), with error code 37.

Below is what I have tried so far:

1. Before windows starts, the keyboard works; I'm able to go into bios and change configuration.
2. Attached an external USB keyboard, it does not work but works fine on another computer. An external USB mouse works though so I was able to try some of the steps below.
3. Start up in safe mode -> keyboard and track pad does not work there either.
4. Tried to restore from previous restore point -> there are no restore point to restore to.
5. Uninstalled both standard drivers for keyboard and mouse, reboot; keyboard and track pad still does not work.
6. Uninstalled both standard drivers for keyboard and mouse, scanned for hardware changes; drivers get reinstalled; keyboard and track pad still non-responsible.
7. Read about Avast problems with non-responsive drivers, but Avast is not installed on this system.
8. Tried sfc /scannow in administrator mode, it found errors but was unable to fix them. Tried to open log but permission was denied although I am administrator.

I tried running Linux off a USB key and the keyboard works fine.

What else can I do to fix the keyboard issue? This person has important work and cannot afford another computer. He can't afford anything now as his house (in Muisne) collapsed during the earthquake. He and his family are homeless right now and his computer is the only thing he has.

Thank you,
Ben


My System SpecsSystem Spec
.
04 May 2016   #2
Arc

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit
 
 

Quote   Quote: Originally Posted by Gnimble View Post
When booting up, the keyboard works; I was able to enter the bios and reset the configuration.
That means the devices are working.
Quote   Quote: Originally Posted by Gnimble View Post
But once windows starts, the keyboard no longer works.
Seems to be some sort of system drivers corruption; but it would not be an easy fix without any keyboard/mouse working.

IMHO a Clean Rinistall will be a good fix.
My System SpecsSystem Spec
04 May 2016   #3
Gnimble

Windows 7 starter, Vista Home Premium, XP Home
 
 

Thank you Arc. The problem is that this person has a lot of programs that he uses for his work. I do not have the license keys to reinstall them, and others I just do not know them (since they are in Spanish). Re-installation would be a last resort for him if there are no other options.

Thank you,
-Ben
My System SpecsSystem Spec
.

04 May 2016   #4
Arc

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit
 
 

If you can manage to run Belarc Advisor in that PC, It will let you know the license keys of the programs.
My System SpecsSystem Spec
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 Windows unable to initialize laptop keyboard/trackpad




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