How can I deal with the black screen of Lenovo notebook?

What to do if Lenovo laptop has a black screen.

1. The Lenovo laptop boot button is bright but the screen is black.

1. If you encounter the situation that the boot button of Lenovo laptop is bright but the screen is black, you can remove the battery on the back of the notebook, connect the computer with only the power adapter, and try to turn on the computer once.

2. Or only use the battery, do not connect the power adapter, if the boot is normal, it should be caused by a problem with the power adapter or a short circuit in the power interface of the notebook.

3. Or unplug the power cord, then disassemble the battery, and press and hold the power button for 30 seconds without letting go. Try to boot the computer once, if the boot is normal, it is only caused by the abnormal BIOS of the motherboard.

4. Or unplug the power cord, remove the laptop battery, open the back cover of the notebook memory, plug and unplug the memory, wipe the gold finger part with an eraser, and then plug it back in (. If none of the above operations can solve the problem, you need to send your Lenovo laptop to a repair center for testing.

This situation is mainly caused by the error of explorer parameters, which causes the desktop not to be displayed when the system starts, but the mouse display is still normal.

In this case, you need to modify the registry as follows:

1. Click [Start] - [Run], and enter :regedit in the open position to enter.

2. In this way: hkey local machine software Microsoft Win NT CurrentVersion Winlogon (double-click each item with the mouse to click the project).

3. Use the mouse to find the last item "winlogon" and click it. Find the "shell" item on the right side and double-click to open it. Enter a value" Click OK. Close the registry.

The best way to deal with it is to reinstall the system, you can try to restore the factory settings, if it is reinstalled or the black screen is a hardware problem, you need to go to Lenovo after-sales maintenance.

First, check whether the system is faulty.

1. Check whether all the plugs of the power supply and the wires on the adapter of the notebook are firmly inserted into their respective sockets, if not, it means that the contact with the power supply is poor, just press the plug down again.

2. If the indicator light is not yet on, on the premise of ruling out the power adapter, it must be that there is a problem with the power chip of the motherboard or a short-circuit breakpoint, and the motherboard is not powered on.

3. If the indicator light responds but the screen is black, it may be a problem with the graphics card or memory.

4. There is no display when the boot is normal, check whether the power cable, switch, and data cable of the display are correct, and it is also possible that the display is damaged.

If there is no hardware problem with the laptop, you can restart it, and reinstall the system if there is a problem with the system.

1. First recall whether you have adjusted the refresh rate or display resolution, you can press [F8] several times when you boot up, and select [Safe Mode] in the system's [Boot Menu];

2. After selecting the security mode, you can generally enter the system normally, first click the right-click menu on the desktop, select [Screen Resolution], you can see [Resolution] after entering, and select the resolution of [Recommended] in the drop-down menu; Click [Application] and [OK] below to restart to enter the system;

3. If you can't enter the safe mode, it may be due to hardware problems, you can take the notebook apart, take out the memory module and clean up the gold finger;

Generally speaking, the reason for the black screen failure of the computer is mostly due to hardware failure. And Lenovo laptops are a brand that is mostly used in the notebook market in China, which is more representative. So, what should I do if my Lenovo laptop computer turns on with a black screen?

How can this fault be solved? Today's Lenovo laptops mostly use the win8 system,

Select the last normal operation to see if it can boot, if not, restore the system.

There are many reasons for the failure of a computer's black screen, such as a damaged monitor, a damaged motherboard, a damaged graphics card, a bad contact of the graphics card, a damaged power supply, a damaged CPU, and a high temperature of components.

It depends on the problem. If the problem is different, the solution will be different, and it cannot be generalized.

I hope mine can help you, hope, thank you.