[ubuntu] Confusion between "Try Ubuntu" & What is actually Installed

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http://ubuntuforums.org – New laptop, Lenovo Z585 with an AMD A10 I think. I boot from a 12.04 Live CD and seems like most things are recognized, builtin webcam, bluetooth, wifi etc. Looks good. Go to install - not WUBI - I have dedicated partitions for it - / and swap. cam works - my ugly mug is presented to me as a login pic - seems like things are ok. Install completed. Some issues with Grub - dual boot with windows Windows 7 - but I get by those. Grub comes up and I try and boot - nomodeset already an option. Boot hangs on an acpi line... Go into BIOS and disable bluetooth. Same problem. Leave B (Hardware)