Thanks to respond so promptly. The vendor/model of my Laptop : LENOVO U110 also known as IDEAPAD.
Previous versions of ubuntu : not tested. I will try with 8.04 as soon as I managed to make a USB key version. If I try with Intrepid live, I get similar result : black screen but I can hear ubuntu login sound. Brahim -- [Intrepid] [965GM] Blank screen when X starts on internal LCD / Works with external monitor https://bugs.launchpad.net/bugs/316329 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs