What should I do if the Fn key of the Win7 system laptop fails?

Speaking of the Fn key, I think everyone should be familiar with it. It is a very important key on the notebook. It can be used to control the touchpad, etc., so if the key fails, the impact on the notebook is Very serious, then what should you do when you encounter Win7 laptop Fn button failure? Do not understand friends to take a look at the following tutorial!

Tips: This tutorial, Xiaobian will use Lenovo notebook For example, the Fn key of Y470 is similar. The processing methods of different notebooks are similar. Mastering this method can handle this problem whenever and wherever.

Method /Step:

1. First of all, the Fn key has nothing to do with the system installed in the notebook. Each notebook manufacturer has its driver corresponding to the Fn key.

When Fn fails, please go to the official website of the notebook to download the Fn driver. The Xiaobian notebook is Lenovo. Therefore, go to Lenovo's official website, match it, find the Fn driver of your notebook model, and download it. .

It should be noted here that the Lenovo notebook Fn key driver is included in the "Battery Management Software" "Energy Management".

As shown below:

2. If the software already exists on the original notebook, please uninstall it and re-install it; if not, install it directly.

3, after installation, to ensure that the software automatically starts when booting, do not use a certain guard to prohibit the software to start, otherwise, the Fn button is still unavailable.

4, light installation Fn key is not enough, but also to ensure that the hardware drivers are installed properly. Take the switch of the test touchpad as an example, install the driver of the touchpad, and then press: Fn+F6, at this time, the touchpad can be normally closed.

5, Fn key repair is complete.

Note:

Some brands of notebooks, its Fn driver is a separate installation software, unlike Lenovo, the Fn driver is placed in the power management software. This requires everyone to find it.