The laptop is formatted, and the screen goes black after booting

In this case, you can only reinstall the system to see, whether the system disk is also formatted, and the reinstallation system should be solved.

Of course, there is no system after formatting, so reinstall the system.

After the computer is turned on, the black screen cannot enter the desktop for the following reasons:

1. After the computer is turned on and enters the system (that is, after the boot screen appears), the screen is black, and the computer has no desktop (no taskbar, no wallpaper), and there is only one mouse on the entire computer screen.

2. This may be due to the virus modifying the registry options, or corrupting it, resulting in a black screen that cannot be loaded normally after entering the system.

3、Win7 system is not activated,Desktop icon taskbar is there,Only the desktop wallpaper is black,The next activation software,There are a lot of this kind of software on the Internet,Just activate it。 Make sure that once activated, changing the wallpaper and theme is fine.

4. In some cases, such as after booting into the system, the taskbar is still there, but the desktop has no icon, this is not a problem, it is a problem with our settings. Right-click on the desktop - view, and just tick the box in front of the display desktop icon.

Haven't entered the system yet.

Continue to wait for the system to load.

Or try to boot the computer and press F8 to enter safe mode, and then reboot to enter the system.

If you can't enter the system for a long time, you need to repair the boot area with PE or reinstall the system.

The black screen after the laptop is turned on may be due to the following reasons:

There are internal circuit faults or hardware faults inside the notebook, such as loose memory modules inside the notebook, graphics card failures, and display panel failures.

In fact, there is a situation that everyone is easy to ignore when the laptop boots on, that is, the battery is insufficient.

What should I do if my laptop boots up with a black screen?

When encountering a black screen when the notebook boots up, we can take the following troubleshooting methods to solve it:

First charge the laptop, wait for half an hour and then turn it back on to try, if it can be turned on, it means that it is caused by the lack of power in the laptop.

Check whether the power supply connected to the notebook is good, whether the power indicator is on, and friends with conditions recommend using a multimeter to test whether the power supply of the notebook has a voltage output with the value indicated in the power label. When there is a power output, connect the laptop, then turn it on, and check whether the laptop power indicator is on.

If the power indicator is on, the cooling fan port is windy, but the display screen is still black, most of the cases are due to the internal wiring fault or hardware failure of the notebook, such as loose internal memory modules of the notebook, graphics card failure, and display panel failure. At this time, it is recommended that you use the external monitor of the computer, which is the monitor of the general desktop, and connect it to the external display interface of the notebook, if the display is normal, it basically excludes the possibility of damage to the motherboard and graphics card. If it is not normal, it means that there is a problem with the motherboard or graphics card (what happens when the computer host is noisy).

In addition, loose memory may also cause a black screen at boot, friends who understand technology can disassemble the machine to see, users who do not understand it are recommended to take it to a professional repair shop for maintenance or send it for warranty.

In other aspects, in addition to excluding non-motherboard and graphics card failures, it is a common LCD screen failure. If something is faintly displayed, it means that the LCD screen and cable are not damaged, and it may be that the backlight is not lit. There are two reasons why the backlight doesn't light up:

1) The backlight tube is burned or the high-voltage circuit driving the lamp is damaged. The working principle of the high-voltage circuit board is to convert the low-voltage direct current provided by the motherboard into high-frequency and high-voltage electricity through the switching circuit, and light up the backlight tube. This point can be just pressed the power button to start when the ear is attached to the screen frame to listen, if there is a sizzling sound, and then there is no sound, it is roughly a problem with the high-voltage circuit board, if it has been silent, it may be a problem with the lamp.

Although the judgment under this amateur condition is not very professional, it is still more practical.

2) Another situation is that the notebook does not respond when pressing the boot button on the notebook, and no indicator light is on, in this case, the notebook should be taken to after-sales maintenance to detect whether the power supply line is faulty, or the boot button is faulty.

Reboot and hold Delete to see if you can enter the BIOS.

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. So I want to check if it's 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.

You can change the setting of sleep or hibernation, and the method of setting:

1) In the blank space of the desktop, right-click, the drop-down menu will appear, and select "Personalize".

2) In the bottom right corner, select "Screen Saver".

The screen saver settings tab pops up, and you can go to power settings at Power Management.

3) In the left menu bar of the power settings, click "Change Computer Sleep Time".

4) After entering the settings, change the rest of the time to "Never", and then click "Save Changes".

2. The boot screen is black but you can see the mouse.

This is mainly due to the fact that some explorer parameters are wrong, so the desktop display part cannot be displayed when the system starts, but the mouse display is normal. In this case, you need to modify the registry by doing so

1) Make sure that the computer is connected to the keyboard, and the keyboard can operate the computer. Then press the keyboard Ctrl+Alt+Del at the same time. Select "Launch Task Manager" in the list, which is the "Task Manager" that will pop up.

2) Click "File" in the upper left corner of the menu with your mouse and select "New Task" in the drop-down menu

3) In the pop-up "Create New Task" dialog box, enter "Explorer" and click "OK".

Complete the restoration and display of the desktop icons.

A black screen on a laptop is a common occurrence, especially in older computers or builds.

There are many reasons for the failure of the black screen of the computer, 1. The monitor is damaged.

2. The motherboard is damaged.

3. The graphics card is damaged.

4. Poor contact of the graphics card.

5. The power supply is damaged.

6. CPU damage.

7. Damage to the heat dissipation system, etc.

8. There are also artificially caused by the black screen of the computer.

9. If you are not sure about the specific fault, it is recommended to go to the maintenance center for treatment.

Didn't even show up on the motherboard interface?

After turning on the computer, look at the number keys on the right keyboard, whether you can press off and on or on.

If the display or light tube is broken, it is not lit, and there is a problem with the computer board.

What file to open? word?exe file?

Check the display: turn on the switch of the monitor to see if there is an icon on the screen, if there is a small box like the following figure swimming on the screen, it means that there is no problem with the monitor;

Check the line: The display line will be black if the contact is not good. Remove and clean the interface behind the monitor connection to the main chassis, and then tease the base cluster on it, being careful not to connect the interface in reverse;

Check the fan: Further check if the CPU fan is running. If it is running, you can use a multimeter to measure whether the voltage output is normal to 12V, 15V, if it is not normal, you can change a power supply to give it a try;

Check the accessories: The poor quality of the computer accessories is not good or damaged, and it often causes the black screen of the monitor to malfunction. For example, the motherboard (and the CMOS of the motherboard), memory, graphics card, etc.

The fault is manifested in the orange color of the display light, which requires the replacement of the graphics card, memory, and even the motherboard.

The black screen after the computer is turned on may be caused by the failure to read the system data, and you can choose to restart after shutting down the wall painting. Press and hold the computer power button for about 5 seconds to force the computer to shut down, and then press the power button to start the computer;

If the computer battery is out of power, the computer system will have insufficient starting power, and the screen will go black after booting. It is recommended to connect it to a power source and wait for a few minutes before turning it on.