If the noise is gone, the hard drive is your problem. If the laptop makes clicking or grinding noises and you still have video on the screen, you can run a hard drive test utility.
The new Windows is finally starting to get some traction.
Vulnerable services and unnecessary networking protocols will be disabled.
Layers of security will be added to protect our system, private documents, browsers and other applications.
Harden Windows 10 - A Security Guide gives detailed instructions on how to secure Windows 10 machines and prevent it from being compromised.
The output voltage must be exactly the same as on the original adapter.Don't hesitate to leave comments below if you want to chime in about our selections or call out a great app we've overlooked.And don't forget to check out the link below for even more Windows 8.1 coverage.If your laptop does not start at all or it starts but will not boot properly, it’s possible that you can fix the laptop at home without taking it to a repair center. I’m not sure if I can cover all situation at once, so I will update this post as more examples come into my mind. First of all in this situation check the AC adapter. If you cannot do that, find a known good AC adapter and use it for testing the laptop. You plug the AC adapter but the LEDs (power light, hard drive light, battery charge light, etc…) do not light up and the laptop will not react at all if you press on the power button.