Notebook computer plug the power on the black screen is how the matter
I hope to help you: computer black screen for many reasons, there are common: poor data cable display; motherboard is not power; poor graphics card or poor CPU contact and overheating; poor memory; poor power performance; machine infection CIH Virus, BIOS is destructive refresh. Microsoft black screen, please patch. Most of these problems are the relationship between memory and graphics, loose or bad contact, move it or use the eraser interface, like the cheat.
It may be that the power plan is set incorrectly
Control Panel - Power Options - Find the power plan when plugging in the power supply.
Look at the power plan is not set wrong.
There may be poor display cable contact, resulting in plugging the power after the role of high voltage pulse and the display black.
1, the control panel has a power option, you can set to see, change the advanced power settings, turn off the adaptive screen brightness.
2, this situation is likely to be caused by the graphics card driver, reinstall the graphics driver to try.
3, save the data to restore the BIOS default value try, as follows:
Boot F10 into the BIOS, select the Exit option, select load setup defaults-yes, and then select Exit - exit saving changes-yes, you can save and exit.
4, the laptop battery can be won, it is recommended to release the notebook static test, as follows: After you shut down, the battery and power adapter and other external devices (such as USB mouse) all won, put an hour after the notebook, On the battery or power adapter to try to boot.
5, if this notebook is a dual graphics card, this situation is likely due to plug-in power supply caused by dual graphics switching, which is normal.
6, you can also turn off the power to try to energy. Click the Start menu, open the Control Panel, turn on the Power Options, and set the Power Management Plan to High Performance.
At the same time you can choose to create power options on the left, create high-performance power options, and then click the left side [select the time to turn off the monitor] --- change the advanced power settings, open the [USB Settings] item [USB optional pause settings] Set the following two options are [disabled], and then click [OK] to save the settings try.
There is leakage.
Or the power adapter does not match the laptop.
You can try to remove the laptop battery, and then replace the matching power adapter, try.
If you can normally boot, disconnect the power cord, reinstall the laptop battery, try. If still black screen, the battery may be a problem, it is recommended to replace the laptop battery.
