Why does it take a long time for the screen to go black when you boot up and then show your desktop?

Reinstall the system, there may be a problem with the system.

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1. If the computer system is damaged or poisoned, unplug the power supply and battery, and then restart it to see if the boot is normal. 2. If the memory module is loose or there is a problem with the memory module, disassemble the back cover of the laptop, and reinsert or replace the memory module. 3. The power supply chip of the motherboard is soldered or aged, disassemble the notebook, and then solder.

Causes and solutions for the black screen of the desktop when the computer boots up normally:

1.The display VGA connection is loose, and in many cases, the display cannot be displayed because the connection between the host and the display is loose, so we can connect it.

2.Loose or damaged memory sticks: Use an eraser to wipe the gold finger of the memory module and reinsert the memory stick; Replace the memory module.

3.Short-circuit solution to the host: Clean up the host and replug the wiring.

4.Motherboard BIOS ProblemThe motherboard BIOS stores important hardware data, and if it fails, it can cause the computer to not boot.

What should I do if the monitor screen goes black after the computer is turned on.

After the computer is turned on, the boot screen is displayed normally, but when the desktop appears, the screen is black, what is going on?

There are very reasons for the black screen,One is caused by a virus,Try the full antivirus,The second is a system problem,Or there is a conflict between software and hardware,Reinstall the system can be solved,The third is the graphics card problem,The graphics card driver is wrong or the graphics card is broken or the graphics card is loose Clean up the dust of the chassis,Use a skin to wipe off the gold finger of the graphics card to see if it is magnetized,4 Hardware problems,For example, memory module CPU graphics card motherboard and other hardware,Whether there is looseness 5 Display problems The display is broken 6 The hardware acceleration settings are too high, beyond the frequency range 、 Click Windows Start Menu --Control Panel --Double-click the Show --- Troubleshooter tab, and under Hardware Acceleration, gradually drag the slider from Full to a position close to None-Click the OK button. 7BIOS settings are incorrect or overclocking is unsuccessful Black screen can be restored to the default value by discharging the motherboard 8 Black screen when opening the program, such as games, one is that the graphics card does not meet the requirements of the game and is black, and the other is that it conflicts with the program, so it is black and crashes 9 I hit Microsoft's black screen plan It is recommended to reinstall the system -

The phenomenon of black screen on the computer is a frequent failure in the process of using the computer system, so how to solve the problem of the black screen after booting into the desktop? Below I will share the method to solve the problem of black screen after booting into the desktop, I hope it will help you.

After booting into the desktop, it shows a black screen solution

In general, the cause of this problem is basically the cause of the virus. There are also a small number of cases where the system's startup items are faulty, such as multiple different startup items that occupy resources or are caused by conflicts.

Therefore, to deal with this problem, in addition to virus scanning, you can also try to optimize the system startup item test. If it can't be resolved, you may need to back up your data and then restore it to a factory state.

1. Manually load the test.

1) Use the keyboard's hotkey combination Ctrl+Alt+Delete to bring up the task manager, and then click New Task (Run) (N) under the File (F) menu. As shown in the figure below:

2) In the pop-up Create New Task dialog box, type the command and press Enter. As shown in the figure below:

3) Wait for a while and the system will automatically load the file and display the entire complete desktop. As shown in the figure below:

4) At this time, according to the actual situation, run the local antivirus software to perform a full anti-virus cleanup and restart the host. If the Windows desktop does not load properly, refer to steps 3-4 for processing.

2. Adjust the system startup items.

1) If the virus detection and killing does not work, you can continue to try to adjust the system startup items for testing. Use the keyboard combination hotkey win+r to bring up the run dialog box, type msconfig and press enter. As shown in the figure below:

2) In the System Configuration Utility dialog box that pops up, click the Disable All (d) button under the Startup tab. As shown in the figure below:

<>4) If the fault can be solved after disabling the startup item, you can check the startup item teardown object one by one according to the actual situation and restart it for testing, so as to locate the cause.

3. Reinstall the graphics card driver.

1) After the POST screen, press the F8 hotkey on the keyboard to bring up the Windows Advanced Boot Menu, and then select the last correct configuration or enable VGA mode boot in the list. As shown in the figure below:

<>3) Enter relevant information such as Y480 in the query driver through the host number or model, and then the system will automatically retrieve the corresponding data, you can click the retrieved [IDEA model]ideapady480 as shown in the following figure:

4) After the operating system, select the operating system version of the current host, such as: Windows 7 64-bit. As shown in the figure below:

<>4. Restore factory state test.

It is recommended to back up important data to other storage media (e.g., USB flash drive, portable hard disk, burning CD, etc.).

Once you have confirmed that there is no problem with the data, you can try to repartition the hard drive, format it, and install the operating system with the guidance of an experienced person. If the factory is equipped with a one-key recovery function as standard, you can refer to the product manual to restore the factory state.

What should I do if the black screen of win10 boots for a long time.

Try changing the graphics card driver, or it will start too much at boot, turn off a few of them.