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If the BIOS administrator password has been set is cannot be removed without changing the motherboard or returning it to Lenovo. This is by design to protect the computer from unauthorised access. Your reasoning might be entirely legitimate but the password cannot be removed. We use Lenovo equipment and have had the same (in the UK). The device has a new ...


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This is a BIOS/UEFI issue... HP, like many other mainstream manufacturers, use locks in the BIOS to prevent the use of unapproved or unauthorized hardware in their laptops, typically about WiFi, Bluetooth, and 3G/4G data modems, called a whitelist. The reasoning for this is it may cause "undesired functionality or other issues" but in reality it is just ...


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I successfully reduce my laptop's power consumption to about 16.7watt. The key is install bbswitch, according to https://wiki.archlinux.org/index.php/Bumblebee#Power_management.



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