What are the factors that cause Lenovo notebooks to boot up black?

The first thing to determine is if there is a problem with the computer hardware, such as the motherboard, graphics card, and power supply.

If so, you can go to a professional repair shop for repairs.

There is also a possibility that viruses are sabotage, and in the Internet era, viruses are quite destructive, causing machines.

1. The reason why the laptop boots up with a black screen.

There are many reasons for a laptop black screen, and the common reasons for a black screen are:

Beijing notebook repair center 400-669-99651, display data cable poor contact;

2. Poor contact of the graphics card or;

3. Poor CPU contact and overheating;

4. Poor contact of memory modules;

5. Poor power supply performance;

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

2. How to fix the black screen of the laptop.

1. The boot display screen is black, only the indicator light is on, and the host does not have any reaction. I can't feel the fan spinning behind my hand behind the main unit. None of the voltages are measured. Remove it and find that the power adjustment tube is broken, and replace it with normal.

2. The power supply and CPU fan are normal, but the screen has no reflection, and there is no self-test sound. This machine adopts SLOT1 structure, and the CPU is easy to contact poorly, so it is sent to the after-sales service for inspection and maintenance.

3. Do not self-check when you turn on the machine, and check that the power supply is normal. Using the minimal system method, the machine can start normally when the optical drive is unplugged. Then install the fault recurrence. It means that there is a problem with the optical drive, and the machine cannot be started. It should be sent to the after-sales service immediately for disposal.

1. Hardware: Immediately choose to enter the BIOS to see if the screen will be black, if it is also black, the hardware is faulty. 2. System file configuration:

1. First of all, when the black screen is started and there is only the mouse, call up the task manager through CTRL+SFHift+ESC; 2. Then click "Details" on the left side of the task manager, display the full panel, select the file of task management - run a new task; 3. Then select "Browse" in the lower right corner of the dialog box that appears, and the file browsing window will pop up; 4. At this time, you can see "This Computer" on the left side in the file browsing window, right-click on it, and select "Manage"; 5. The "Computer Management" window pops up, select the local user and group user on the left, and the local user will be listed on the right; 6. Create a new administrator account, then log out, log in with the new username, and everything will be normal.

3. Graphics card driver: The black screen may be caused by the incompatibility of the graphics card driver, and you need to uninstall the original graphics card driver and install the latest version of the compatible driver to solve the problem. Refer to the above method to open "Manage", select Device Manager, click on the graphics adapter, uninstall the device inside and check Uninstall the driver, and then reboot into the system to update the graphics card driver.

4. System update: The incompatibility after the automatic update will cause a black screen, and you need to uninstall the latest update to solve the problem. Refer to the above method to open the "Task Manager", select the file to create a new task to run, enter ", open the control panel, open Programs and Functions, click on the left to view the installed updates, and right-click to uninstall the latest updates.

5. System failure: If the above methods are not solved, you need to back up the data and reinstall the system or restore it with one click.

The causes tend to focus on incompatible hardware and drivers, problematic software, viruses, etc. Workaround:

1. The cause of the virus. Use PC Manager to disinfect the virus.

2. Reasons for memory. Use an eraser to wipe the gold finger of the memory module and wipe off the oxide layer to ensure that the memory module is installed and running normally.

3. The CPU fan has too much dust to run normally, causing the CPU temperature to be too high, use a brush and hair dryer to clean up the dust on the inner wall of the case, the CPU fan, the graphics card fan, and the motherboard.

It may be a virus, reinstall the system and try it, good luck and wish you happiness every day!

It should be a system failure, just replace the computer system.