[ubuntu] Regarding bug i noticed on beta2 iso

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http://ubuntuforums.org – I downloaded the ubuntu 12.10 beta 2 (64 bit) iso and ran it live session...I have not actually installed it as of yet... I have a new toshiba laptop with i3 intel core processor and graphics... Two bugs i noticed were: 1) when installing Google Chrome deb file with ubuntu software center, it installed it properly but some warning window came up about it being a bad file... 2) i also noticed that no matter what time i set the display to turn off (ex: 30 minutes, 60 minutes, Never)...it would still turn off after the default 10 minutes... I was wondering if anyone who has installed the beta (Hardware)