Step 1. Reboot or power on the machine and continuously press F9 immediately when Asus logo shows up until you see a window asking select boot device. Step 2. Choose Windows Boot Manager. Step 3. Choose your language from the options and click "Next." Step 4. Select one of the three ways to restore system.
If it does, try pressing Fn + Esc to turn off Function Lock. 2. With regards to the brightness slider being missing in Windows, to resolve that, go to the support page for your PC on the manufacturers website, then form there, download and install the version of graphics card device drivers they recommend.
2] Update your laptop drivers. You can find the latest Function (Fn) key drivers on the official site of the manufacturer. Or, in case your drivers are set to be updated automatically, go to the . 444 389 348 374 135 453 307 443