Make function keys behave as normal on a Lenovo laptop

How can I make buttons F1, ..., F12 behave as normal on Windows 10

You can do this by making a change to your BIOS settings.

Lenovo branded products:

1. Access the BIOS (See below for how to do this in Windows 10).
2. Once in the BIOS menu, select the "Configuration" tab.

3. Select "Hotkey Mode" and set to "Disabled".

   

4. Save and Exit the BIOS menu (press F10 and then Enter).

Source How to configure the function keys to not require use of the Fn key in Windows 8.1/10

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Recommended way to enter BIOS for IdeaPad, Lenovo Laptops

1. Launch Windows 8/8.1/10 desktop as per usual;

2. Restart the system. PC screen will dim off, but it will light up again and display "Lenovo: logo;

   

3. Press F2 (Fn+F2 ) key when you see above screen.

Note:

• If the computer boots fast, you may miss the trick to press F2. If this happens, see the source link below for other ways to enter the BIOS on Windows 10.

Source Recommended way to enter BIOS for IdeaPad, Lenovo Laptops

Setting hotkey mode

By default, the hotkey functions are accessible by pressing the appropriate hotkey. However, you can disable the hotkey mode in the BIOS setup utility.

To disable the hotkey mode:

1. Shut down the computer.
2. Press the Novo button and then select BIOS Setup.
3. In the BIOS setup utility, open the Configuration menu, and change the setting of HotKey Mode from Enabled to Disabled.
4. Open the Exit menu, and select Exit Saving Changes.

Note: When hotkey mode is disabled, press the Fn key and the appropriate hotkey to access the corresponding hotkey function.

Source: English User Guide - Lenovo B50-10 Laptop [PDF] (Page 4)