*** This bug is a duplicate of bug 334249 ***
    https://bugs.launchpad.net/bugs/334249

I applied the Menu.lst options for the i8042 and that also seems to have
fixed it for me.

PS I forgot to mention that I also have a Dell Vostro 1510.

>From my early days in Micros in the 70s/80s I remember that the Intel 8042 was 
>the original keyboard controller in the early IBM PCs, now presumably embedded 
>or emulated in modern MB chipsets.
Intrigued I found this site 
      http://www.kernel.org/doc/Documentation/kernel-parameters.txt
which lists the following i8042 parameters

        i8042.debug     [HW] Toggle i8042 debug mode
        i8042.direct    [HW] Put keyboard port into non-translated mode
        i8042.dumbkbd   [HW] Pretend that controller can only read data from
                             keyboard and cannot control its state
                             (Don't attempt to blink the leds)
        i8042.noaux     [HW] Don't check for auxiliary (== mouse) port
        i8042.nokbd     [HW] Don't check/create keyboard port
        i8042.noloop    [HW] Disable the AUX Loopback command while probing
                             for the AUX port
        i8042.nomux     [HW] Don't check presence of an active multiplexing
                             controller
        i8042.nopnp     [HW] Don't use ACPIPnP / PnPBIOS to discover KBD/AUX
                             controllers
        i8042.panicblink=
                        [HW] Frequency with which keyboard LEDs should blink
                             when kernel panics (default is 0.5 sec)
        i8042.reset     [HW] Reset the controller during init and cleanup
        i8042.unlock    [HW] Unlock (ignore) the keylock

-- 
keyboard fails to work on boot (Dell Vostro 1510)
https://bugs.launchpad.net/bugs/341094
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