If I hold the space bar during boot time it solves my previous problem... Sorry for generating noise... grave@ipno.in2p3.fr 33 (0) 1 69 15 79 59 ,/{} ,/ {| ,,,/ {|, __--~~ {| ~-, __--~~ { `\ ,__ \ `,\{),\, __-~ `_ ~-_ _-~ ~~-_`~-_ ' `~-_`~-__ `, `~-\_| `, _-----___ _,' / /--__ ~~--__ `~,~ / ~~--__ ~-', / ~~--'