More often than not, a bad cable can also cause a lot of problems that you won’t identify till the last moment. 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). So far ive replaced the inverter, didnt change anything, changed the LCD screen, didnt fix it and also changed the cable from mainboard to screen and tried every combination of them all i can think of. 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. I have a laptop that powers on no problem and starts up no problem but the LCD screen shows no display, the backlight comes on however. 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. 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). Connect the monitor and power up the system and be. 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? Advanced boot options, Safe Mode with Networking, or Low Resolution Video Check Device Manager and look for Display Adapters. If the VGA light is lit on the motherboard, it means it is having difficulty detecting a GPU (Graphics.
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