[Bug 281669] Re: ThinkPad T61: num lock key generates an input event when turning on, but not off

Matt Zimmerman mdz at ubuntu.com
Thu Oct 14 11:41:23 UTC 2010


On Thu, Oct 14, 2010 at 11:03:57AM -0000, Lee Jones wrote:
> I believe this is a BIOS issue.
> 
> I have fixed it by entering the BIOS (pressing the blue ThinkVantage
> button during boot) and editing the following configuration:
> 
> Hit F1 to enter the BIOS Setup Utility
> Enter: 'Config' menu -> 
> Enter: 'Keyboard/Mouse' menu ->
> Edit:    'ThinkPad NumLock' [from Independent to Synchronized]
> 
> Reboot the computer and run: 
>   sudo input-events -t30 3" and press "Fn+NmLk
> 
> You should receive outputs for each press:
> 
> /dev/input/event3
>    bustype : BUS_I8042
>    vendor  : 0x1
>    product : 0x1
>    version : 43860
>    name    : "AT Translated Set 2 keyboard"
>    phys    : "isa0060/serio0/input0"
>    bits ev : EV_SYN EV_KEY EV_MSC EV_LED EV_REP
> 
> waiting for events
> 11:58:52.899591: EV_SYN code=0 value=0
> 11:58:56.004989: EV_MSC code=4 value=69
> 11:58:56.005006: EV_KEY KEY_NUMLOCK (0x45) pressed
> 11:58:56.005012: EV_SYN code=0 value=0
> 11:58:56.005439: EV_LED code=0 value=1
> 11:58:56.060590: EV_MSC code=4 value=69
> 11:58:56.060604: EV_KEY KEY_NUMLOCK (0x45) released
> 11:58:56.060609: EV_SYN code=0 value=0
> 11:58:57.262065: EV_MSC code=4 value=69
> 11:58:57.262080: EV_KEY KEY_NUMLOCK (0x45) pressed

Thanks for looking into this and identifying the solution.  I will confirm
the next time I have the opportunity to reboot this system.  Feel free to
close this bug in the meantime and I will reopen it in the unlikely event
that I still have a problem.

-- 
 - mdz

-- 
ThinkPad T61: num lock key generates an input event when turning on, but not off
https://bugs.launchpad.net/bugs/281669
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