1) On your keyboard, press the Ctrl , Shift, and Esc keys at the same time to open Task Manager. 2) Locate Windows Explorer and click End task. 3) Restart your laptop to see if the black screen issue has been eliminated. If it's still no joy, please move on to Fix 5, below. Try to turn off/on the display of your laptop and check if your laptop is responding or not. You can do this by pressing the function key (hotkey) [Fn+F7]. Notice: The hotkey's functions can be different for different brands of laptops. If the display isn't responding connect your laptop to an external monitor. webworkings. Dec 3, 2018. You may also want to try hitting CTRL + SHIFT + WIN + B to try and reset your graphics driver as another possible fix. NOTE: If you can see fine on the external monitor, When your ASUS laptop won't turn on but the lights are on, it can be a frustrating experience. There are several common causes for this issue, and troubleshooting steps that you can take to resolve it. Understanding these causes and steps can help you get your laptop up and running again. Power off your computer while in a power saving mode by holding the power button down for 3-5 seconds. After the power is completely off, turn on your PC and test to see if it will boot normally. Troubleshoot the cause of the beep code if you're lucky enough to get one. 7933pZh.