USB keyboard doesn't respond

Peng Yu pengyu.ut at
Fri Jul 23 19:54:03 UTC 2010

On Fri, Jul 23, 2010 at 2:34 PM, ms <devicerandom at> wrote:
> On 23/07/10 20:01, Peng Yu wrote:
>> On Fri, Jul 23, 2010 at 1:28 PM, ms<devicerandom at>  wrote:
>>> On 23/07/10 19:18, Peng Yu wrote:
>>>> Hi,
>>>> My USB keyboard stops responding. I tried to unplug it and plug it
>>>> back. But it still doesn't work. Could anybody suggest how I to figure
>>>> out what the problem is?
>>> Unplug it.
>>> Digit "lsusb" and look at the output
>>> Replug it.
>>> Digit "lsusb" again and look at the output -if your keyboard comes up,
>>> at least we know the OS is seeing something.
>> Here are the output. It seems that the OS see the keyword. Previously,
>> I remember if I typed ctrl+space or some combination of keys, then my
>> keyboard stopped working. But this time I didn't do anything like
>> that. Could you think of anything that may cause the problem?
> No, but the next very obvious questions are:
> - does the keyboard work with another computer? (so we know if the
> keyboard is not broken)
> - does the another USB keyboard work? (so we know if it is a specific
> problem with your keyboard)
> - does changing the USB port do something?
> - do Xorg logs say anything?

Restarting the machine make the USB keyboard work. So it must be some
software issue. How to check Xorg logs?


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