Also make sure you haven’t just turned the brightness all the way down. This video from Adrian Black shows this same troubleshooting step for a TV screen. If you can see dim images, the backlight in your screen is dead and you will need to replace the display. If the screen doesn’t turn on, try shining a flashlight into the screen and look for any images. It’s pretty easy to think your laptop isn’t working even if the issue is completely due to the screen. For example, two beeps when a Dell laptop starts up generally indicates an issue with the RAM. These beeps or flashing lights often correspond to a specific issue which you can fix.
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