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"power button on, black screen" için yanıtHello Mark, The first thing I would try is hard resetting the laptop. To do this, you will need to hold the power button down for 5 to 10 seconds. Then turn the PC back on.
"Black Screen, fan runs for 3 seconds and then turns off." için yanıtHello Patel. It seems you may need to replace your fan. We have a fan replacement guide here that can help you. But before this, can you try booting your computer in "Safe mode" (press F8 repeatedly when you turn on your computer). If you are not able to use "Safe Mode," there could be one of two things happening: The BIOS file is corrupted or your operating system is corrupted.
"My display won't turn on even when computer does, any ideas?" için yanıtI do not believe it is a port issue. First, try turning on your laptop and press "F8" to enter "Safe mode." If your system loads, click the "Start" button and type "device manager" in the search bar. While in device manager check to see if any drivers are malfunctioning. If this does not work, your operating system (Win7, Win8, or Win10) might be malfunctioning. If you are able to remove your hard drive, do so first to get your files from it. Afterwards, plug your hard drive back in and try reinstalling your operating system. You should have an operating system disk that came with your laptop. If not, you can purchase one online. Hopefully this can help you with your issue.