What s the matter with the black screen when the laptop is turned on

First of all, check whether the black screen of the computer boot is caused by the refresh rate of the monitor is too high, after entering the safe mode, right-click on the desktop and select "Properties", select the "Settings" tab in the window that opens, click the "Advanced" button, select the "Monitor" tab, and set the "Screen Refresh Rate" to a lower level. If that doesn't solve the problem, consider whether there is a problem with the graphics card's drivers, uninstall and reinstall the graphics card drivers in safe mode. In addition, virus infection may cause this phenomenon, so it is recommended to clean the system in safe mode.

The black screen has a few auspicious shed solutions:

1。Try to boot the computer, after the computer brand is out, press F8, press Enter, Enter, enter the safe mode, and start advanced.

options, the last correct configuration, Enter, Enter, press to try!

2。Enter safe mode, start normally, press enter, go to the desktop, and use antivirus to kill the whole disk!

3。Use: Defender conducts a comprehensive physical examination of the computer, detects and kills the Trojan horse, and repairs the computer.

4。Unplug the graphics card and memory sticks, erase them, use a brush again, clean the slots of dust and fans, replace the memory slots, and more!

6。Turn it on again, if it still doesn't work, you need to "one-click restore" or Biyanfu "reinstall the system"!

Hope it helps

Laptop.

Now it has become an electrical appliance that everyone carries with them, which is convenient for office, social activities, etc. But often used will also be illuminated into a notebook rock Nian rent, there are some problems. When people use laptops, they may have a black screen on the computer, what is the reason for this situation, how to fix it, let's take a look!

What is the reason for the black screen of a laptop when it turns on a computer.

What to do? There are many reasons for a laptop black screen, and the common reasons for a black screen are:

1. Poor contact of display data cable;

2. Poor contact of the graphics card or;

3. Poor CPU contact and overheating;

4. Memory module.

poor contact; 5. Poor power supply performance;

6. The machine is infected with CIH virus, and the BIOS is destructively refreshed;

7. Microsoft black screen, please patch;

What to do if the laptop has a black screen.

1.Check whether the notebook is asleep or hibernating.

When the laptop is asleep or hibernating, and then the laptop is in a black screen state of suspended animation, it will be mistaken for a black screen. The rough sign is to want to check if it is in both states.

Sleep or hibernate is an energy-saving feature that turns off the display, and if the laptop is turned on but used for a while or enters a state that shows low battery power, the system may start sleep and hibernate mode.

Try replugging the memory module and then turning it back on to see if you can enter safe mode.

Check whether the hard disk indicator is flashing first,There is only a flashing in the eye, it means that it is just a bright display problem,Staring at the mountain can be connected to an external monitor to determine whether it is a problem with the graphics card or the screen。

A1The power adapter of the laptop is damaged, the BAI cannot be powered, or the battery of the laptop is dead, and it will not turn on from the surface to the black screen. Solution: Replace the power adapter or fully charge the battery.

2 2.That is, the screen cable of the notebook is broken or the contact is poor, resulting in no image signal transmitted to the screen display, that is, a black screen, the solution: let the person who repairs the notebook replug the screen cable, or replace the screen cable.

The laptop has a black screen all the time. It can be caused by a variety of reasons. The most common are system problems.

It could also be a problem with the graphics card or the graphics card driver. It may also be that there is a problem with the screen or the cable inside the screen (cable). There is also a possibility that there is a problem with the motherboard, or the laptop is cooling and the battery is dead.

and many other problems can be caused.

1. There may be incompatibilities between systems or programs, and it is recommended to restore the system or reinstall it.

2. The CPU or other hardware temperature is too high, and the memory and graphics card are incompatible or faulty.

3. Power failure and voltage instability can also cause automatic restart.

Black screen reason. Host failure.

1.power caused.

Damage to the host power supply or poor quality of the host power supply often causes our black screen failure. For example, when we added some new devices, the display had a black screen failure.

After eliminating the quality and compatibility problems of accessories, the quality of the power supply is not good, and the lack of power is the main cause of the failure, at this time, you may also hear the continuous alarm of the horn in the machine 12 sounds, and the replacement of high-power and high-quality power supply is the best solution to this kind of failure. In addition, some motherboards have ATX dual power connectors, and the wrong choice of jumper settings can also cause this kind of failure.

2.accessories caused.

Poor quality or damage to computer accessories can also easily lead to a black screen failure of the monitor.

For example, problems with the motherboard (and the CMOS of the motherboard), memory, graphics card, etc., may definitely cause a black screen failure.

There are often some signs of these failures, generally manifested as the display light is orange, when we can use the replacement method to replace the graphics card, memory, and even the motherboard, CPU try, is the fastest solution.