Hello I have a problem with my laptop e4200, the problem is this:

1- I connect my usb keyboard at my laptop it´s working perfect.

2-If I disconnect my keyboard and reconnect again my keyboard dont´s work and at the device manager I have a yellow  ! at the keyboard HID Keyboard device.

I have Windows XP with de servicepack 3, the mouse work fine if I connect and disconnect.

Can anyone help me Thanks.