The first thing to do when experiencing black screen issues is to check if the power light is on: If the power light is not on, check the following: Check the power adapter and AC power cord. If the adapter is damaged, replace it. Check external devices and reboot after removing all external devices. Scenario: power went out. Monitor won't turn on, so you wanna unplug both power sources, disconnect hdmi cable from monitor, re-connect power sources from male side first and then female side to monitor, replug your hdmi cable and hopefully it should be on! Solution 4 - Try Hard Rebooting. Hard rebooting the laptop worked for many ASUS laptop users to solve the problem. So follow the instruction to do so: Reboot your laptop and as the ASUS logo appears, press the F9 key. And when the Windows Boot Manager screen appears hit Enter. 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. Close the laptop casing, tighten each screw securely, and start the ASUS laptop. Now, your device should turn on. Additional Tip: If you like tinkering with your laptop components, you may even pry out the bezel and examine faults with the display panel or cable. 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, .

asus computer screen won t turn on