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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