Why is the laptop very dark when it is not plugged in, and what is the reason why the screen of the

The notebook is not plugged in and the power supply is very dark, so it should be in the power management, when only the battery is powered, the brightness of the screen is adjusted and the power adapter is in the darker! In the control panel, power management, adjust the brightness of the screen.

It's normal to be very dark when you don't plug it in, just adjust the brightness of the screen.

Generally speaking, the energy-saving mode will be a little darker, but the standby time will be long;

If the screen is brightened a little bit, the standby time will be relatively short.

Look at your own usage habits, and eye comfort is the standard.

The computer is set, and when the power supply is not plugged in, the energy-saving mode will be automatically turned on, and the brightness of the screen will be automatically reduced.

It's to save energy. It can be adjusted by itself. Adjust by pressing and holding the FN key + the button with the sun icon on the keyboard (two, one upper triangle and one lower triangle).

My Toshiba is in.

That's the notebook itself turned on the energy-saving mode, if you are too dark, just adjust it in the power tube.

The power management can be adjusted inside, and the power supply is very dark in order to save power and prolong the use time. A little modification should do the trick.

Is it the power option that you have adjusted to save energy, or you have adjusted the brightness...

Just swap out the power mode, or turn down the brightness yourself.

Because the energy-saving mode is turned on.

The power management inside looks to adjust, not bad, the power supply is very dark in order to save power and prolong the use time.

There may be several possible reasons why the power supply is so dark that it is not visible when the computer core is side-plugged:1Monitor Setup Issues:

You can try pressing the brightness adjustment key on the monitor to adjust the brightness to the appropriate level. If your computer still doesn't display properly, you can try connecting your monitor to a different computer to see if the problem is appearing on your display. 2.

Power cord problem: You can try to replace your computer's power cord, sometimes the aging of the power cord will affect the normal operation of the computer. 3.

Power Issue: Insufficient or damaged power supply may cause your computer to not boot properly, so it is recommended that you check that your computer is running properly. If your computer is working fine but the screen is still dark, there may be a power issue.

If none of the above methods work, it is recommended that you contact a professional computer repairer for inspection and repair.

Hello, if the computer can't display the screen normally as soon as the power is turned on, then it may be caused by the following notices and problems:1Display issues:

First, you can check if your computer's monitor is working properly. You can plug in another computer to check if it's working, or you can connect an external monitor to check if it's working. 2.

Power issues: Second, it may be due to insufficient power** that is causing your computer to not function properly. You can try replacing the power adapter or plug.

3.Graphics card issues: Finally, it may be caused by a faulty graphics card.

You can try to reseat the graphics card or replace the graphics card with a friendly source. If the above methods do not solve the problem, it is best to send the computer to a professional technician for repair.

This can be changed inside the power set.

For example, win10 modification:

1.Click Power Options in the bottom right corner of the desktop, right-click - Power Options.

2.Once inside, you can choose to change your plan.

3.Click on one at will, now it's high-performance, click on it and you can see an image of one being powered on and one using a battery, which is the situation of power and different electricity, just turn up the brightness.

Plugging in the power supply and not plugging in the brightness are set separately, it should be when you turn the plug-in dimming than not plugging in the general reverse.

Under normal circumstances, if you do not plug in the power supply, the power protection mechanism will be activated, and the brightness of the display will be automatically reduced. If you plug in the power supply and adjust the brightness is still so dim, it means that there is a problem with the computer! Find a professional computer repair for computer problems.

It is generally related to the height control of the screen, you investigate the brightness to the highest and then try! It should be fine! Power management thing!

Shijiazhuang Blue Ocean Notebook Repair Center.

Why ......can't you set it up according to your operation?