[ubuntu] Avoid Ubuntu if you have lenovo ideapad u460 series

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http://ubuntuforums.org – Ubuntu 11.10 (both x86 and x64) Lenovo Ideapad U460 series Issues: 1. Extremely slow wifi. 2. Cannot turn on/off ambient light sensor. 3. If ambient light sensor is turned on then the brightness fluctuates like HELL. 4. Cannot set the battery charging level. 5. Does not support Active Protection system for HDD. 6. Does not support Nvidia Switchable Graphics. 7. Screen brightness is always RESET after restart. 8. Fan always runs at full speed. 9. Lower battery life (when compared to Windows 7) 10. If Nvidia drivers are installed, the battery life drops further and the Laptop (Hardware)