Win7 System notebook computer fn key failure how to do?

Speaking of the FN key, I think we should all be very familiar with it, it is a very important notebook on the key, it can be used to control touchpad, etc., so if the key failure, the impact on the notebook is very serious, then when you encounter Win7 notebook computer fn key failed how to do? Do not understand the friend to see the following tutorial!

　　Warm tip: This tutorial, small series will be Lenovo notebook Y470 fn key, as an example, the processing of different notebooks are similar, master this method, no matter when and where, can calmly deal with this problem.

　　Method/Step:

1, first of all, the FN key and notebook installed system does not matter, each notebook manufacturer has its corresponding to the FN key driver.

When FN expires, please go to the respective notebook website to download fn driver, small notebook is Lenovo, so go to Lenovo official website, after matching, find their own notebook model FN drive, and download it.

It should be noted here that the driver of the FN key of Lenovo Notebook is included in "Battery management software", namely "energy Management".

The following figure:

2, Packages This notebook has the software, please uninstall it, and then reinstall it, if not, you can install directly.

3, after installation, to ensure that the software boot automatically, do not use a certain guardian to prohibit the software to start, otherwise, the FN key is still unavailable.

4, light installation fn key is not good, but also to ensure that the hardware driver installation is normal. To test the touchpad switch for example, install the Touchpad driver, and then press: Fn+f6, this time, the touchpad can be closed properly.

5, the FN key repair finished.

　　Note:

Some brands of notebooks, its FN drive is a stand-alone installation software, unlike Lenovo so that the FN drive in the power management software. This needs to be looked up by ourselves.