USB Keyboard works occasionally

Posted by palimmo on Ask Ubuntu See other posts from Ask Ubuntu or by palimmo
Published on 2012-07-06T09:17:45Z Indexed on 2012/07/06 9:23 UTC
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A few days ago I bought a SL640 Hama USB keyboard to use on my laptop with Ubuntu 12.04. But I'm having problems, as it works one time out of 10! While on my girlfriend's laptop, with Win Vista, always works. And on my laptop I have Win7 in dual boot. And I have to say that it always works on it. Here are some infos:

~$ lsusb Bus 006 Device 003: ID 04d9:1503 Holtek Semiconductor, Inc. Shortboard Lefty

As you can see, the OS recognized it but the keyboard doesn't react ... even the Caps Lock and Num Lock keys don't blink. Regarding the legacy support (useful for GRUB), I have found no entry in the BIOS. But I'm not interested in it. I just want to use it in Ubuntu. However, in GRUB it works sometimes.

Surprisingly, now I have booted my laptop: the usb keyboard hasn't worked in GRUB but it has worked since the ubuntu login! And now I'm typing with it. Well.. it means that Ubuntu has the right drivers and they work. But how to "load" them always correctly?

thanks in advance!

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