No power means: When the power button is pressed, neither the diagnostic LED nor the power button LED is lit, the system does not boot to Windows, and there is no sign of power to the system, keyboard, and mouse. In this article, Senior Role IT Outsourcing will guide you how to solve the problem that the computer will not power on after it is turned on.

In this case, you need to confirm whether there is a problem with the power cord first. If there is a problem with the power cord, replace it. Or use another power cord for a swap test. A swap test of the power outlet is also recommended.

picture

Then, with the power connected, make sure the power light on the adapter is on. And if the power light stays on after removing the adapter from the laptop. For desktops, you can press and hold the BIST (built-in self-test) button on the back of the power supply and see if the light next to the BIST button is on. Also check to see if the fan will spin.

If that still doesn't work, then you can try to discharge static electricity from your device. Unplug the desktop's power cord, and remove the laptop's power supply and adapter. Then press and hold the power button for 20 seconds, then reconnect the power cable and adapter to your device.

Shanghai one-stop IT outsourcing service, Shanghai Senior Role Information Technology Co., Ltd. has been focusing on the IT field for many years, and is committed to IT outsourcing, IT operation and maintenance, network maintenance, system integration and other IT outsourcing services. In the past ten years, it has provided IT technical services for hundreds of well-known enterprises and listed companies. Welcome to inquire, we will serve you wholeheartedly...