Arch Linux

crlf0710

Member

Registered: 2011-10-22

Posts: 2

[SOLVED]Keyboard and touchpad doesn't work after reboot from Arch

Excuse me, but i'm a newbie. I'm not sure if this is an arch problem, but i will just post it here.

I've beening using Arch64 and it works just fine. However, every time i reboot from arch into Windows 7 (32bit), the keyboard and touchpad will stop responding just when the Win7 splash screen shows, however the mouse works fine. Then when you shutdown the computer (from win7 now) it will take apparently longer time, and sometimes i have to press the power key 5 seconds to make it shutdown.

It seems the correct way (to reboot from arch to win7) is to shutdown down the computer first and start it again, and everything will work fine.

And rebooting from win7 to win7 or arch to arch or win7 to arch will work fine too.

I'm glad to post extra information, but I've got no clue and i'm not sure what to put here.

The laptop is a Lenovo Y450 with Intel Core Dual P7540, 4G Memory, NV GT240M. Kernel version of Arch is 3.0.6 (but the problem existed long since earlier versions) I don't have a swap partition. If you need extra information, please mention the item.

Thanks a lot!

Last edited by crlf0710 (2011-11-15 10:29:38)

whereareyouall

Member

Registered: 2009-09-08

Posts: 13

Re: [SOLVED]Keyboard and touchpad doesn't work after reboot from Arch

Hi!

That is indeed strange. Since your external mouse works fine (which probably is connected via USB, right?) it appears that the problem lies somewhere around the internal keyboard/touchpad access. I'm not sure how this works with a Lenovo Y450, but just try to enter BIOS (in case you have not been there, you probably have to hit F1 or F2 during startup - less likely it would be delete or escape ...) and look for your keyboard/touchpad options.

You should probably find something like "... legacy support ...". This is a relic from PS/2 times and emulates your internal input devices as PS/2 devices. So - when found, just change the setting (you cannot mess anything up, and both systems will probably not even pop up a message). My guess is it is set to "enabled" and Arch somehow messes with the PS/2 emulation in your case .... so just turn it off.

good luck

crlf0710

Member

Registered: 2011-10-22

Posts: 2

Re: [SOLVED]Keyboard and touchpad doesn't work after reboot from Arch

Wow, a reply! Sorry i didn't notice. Have been on a trip and haven't been using linux for these few weeks~

I've found nothing about PS/2 there, however i turned on the legacy support for usb devices in the bios settings and start linux and did a "pacman -Syu" ... then i reboot into windows. it seems everything works. Maybe i'll try rebooting more~

Anyway, thank you~ you are great!