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). 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. The fans fire up every time, then die out after about 2-4 seconds. The back-light for the screen itself is on, though the alienware head (displayed upon boot-up,) never comes up. 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. ) The customized keyboard and ALIENWARE title under the screen is lit up as I customized it, that tells me it's still drawing data from my preferences somehow. 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). Try these quick steps to recover your Dell computer from a power issue.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? The display is blank or black, the computer does not start, and there is no indication of turn on the computer.Power LED is off and does not respond when you try to turn on the computer.There is no indication of the computer turning on (all the LEDs are off). When you press the power button, the Dell computer does not turn on. Identify the symptoms and troubleshoot No Power To learn more, see the Dell knowledge base article How to Run a Dell Online Diagnostic Test.
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