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I recently upgraded from 11.10 to 12.04 and other than TwinView problems it seemed to be working. While trying to fix the TwinView issues, I rebooted the computer and the keyboard and mouse no longer worked.

I can hit F12 during boot to pick boot device but once the login screen hits neither work. When I ssh into the machine, lsusb shows that both the keyboard and mouse are seen.

Any suggestions on getting them working?

After looking in the Xorg.0.log file I see this.

[    60.280] (II) config/udev: Adding input device Logitech Optical USB Mouse (/dev/input/event2)  
[    60.280] (II) No input driver specified, ignoring this device.  
[    60.280] (II) This device may have been added with another device file.  
[    60.280] (II) config/udev: Adding input device Logitech Optical USB Mouse (/dev/input/mouse0)  
[    60.280] (II) No input driver specified, ignoring this device.  
[    60.280] (II) This device may have been added with another device file.  
[    60.280] (II) config/udev: Adding input device Dell Dell QuietKey Keyboard (/dev/input/event3)  
[    60.280] (II) No input driver specified, ignoring this device.  
[    60.280] (II) This device may have been added with another device file.  
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1 Answer

I suspect this archlinux bug may be the same issue: https://bugs.archlinux.org/task/33606

If that's the case, then it's fixed by kernel version 3.7.4. I haven't yet tried it - I'm currently huntingfor a solution myself, but this looks promising once I figure out how to install the later kernel.

I've also had problems with a USB keyboard, but less so.

I find that while the USB mouse is usually not working when I come out of hibernation, it often is working if I try it later in the day (it's usually left plugged in).

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