Check the connections and also the cables. (Assuming your laptop screen also isn’t black). Just like the previous problem, this is also a case of driver issue, but also look at your settings and whether or not they are optimized for a dual-screen setup. When I hook it up to an external monitor, I still don’t see anything LVDS cable loose as described above, or a damaged display). This still doesn’t root out a driver issue with your display, but you can be reassured it is either a software issue or a hardware issue at this point (i.e. A failing GPU, no matter what display you connect to, wouldn’t display anything. When I hook it up to an external monitor, I can see a display, but not on my laptop displayĭisplaying on an external monitor helps you identify whether or not your GPU is failing.
Laptop screen lights up but no display update#
Lastly, there is a chance that this may be a software issue if this happened recently after a Windows update, or a driver update on your computer. If your keyboard lights up, but there is no display, then that means that the system is getting powered up, but the GPU might having problems, your internal disk drive is corrupted or damaged, your display is damaged, or LVDS cable might be loose (This cable hooks your motherboard to your display). Your Macbook should boot normally into system. Once you hear a second startup chime, release the keyboard buttons. Here are some of the most common scenarios that you might face: My keyboard lights up, and I hear it turn on, but I cannot see anything on the screen? Be warned that you may lose some of the settings during this process but your display, date, time, disk options should be intact Hold down CMD+OPT+P+R after you press the power button and hear the classic Apple Startup Chime.
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