How to open the settings of Lenovo mobile phone black screen

If the screen color of the mobile phone is abnormal, such as black screen, splash screen, flower screen, white screen, red screen, etc., it is recommended to:

1.It is recommended to restart the phone to try: Press and hold the power button and the down volume button at the same time for more than 7 seconds to restart the device;

3.If it comes with system software, it is recommended to update the system version of the mobile phone to try: please go to Settings - About the phone (about the device) - Software update (system update) - Update (please back up the data in the device before upgrading).

If the problem persists, it is recommended to bring the purchase invoice, warranty card and mobile phone to the local mobile phone purchase office for repair or to a nearby mobile phone repair shop for repair.

What to do if Lenovo laptop has a black screen when it turns on? Introduction one.

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, 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.

In the above, the solution to the problem of Lenovo laptop boot black screen is introduced from five aspects: hardware, system file configuration, graphics card driver, system update, and system failure, you can refer to it. However, it is still recommended that the specific analysis of the large furniture problem can be taken according to the specific situation when the black screen of the Lenovo laptop is turned on, and the corresponding solution can be taken, if not, you can also consult a professional, or send it for repair.

Reasons and solutions for Lenovo laptop black screen not opening:

1. The motherboard is not powered on. Solution: Try to release static electricity (remove the battery and power cord of the computer, make sure that the notebook is in a completely unpowered state, press the power switch 6-8 times repeatedly, hold it for 6-8 seconds each time, connect the power supply and try to turn it on), such as Chunluguo can turn on normally, and the fault is solved; If it still can't be turned on normally, it is recommended to send it to the local service station for testing hardware.

2. The display or graphics card is faulty. Solution: It is recommended to send the local service station for testing hardware.

3. The system was damaged and leaked. Solution: If you are using a pre-installed genuine win7 system, it is recommended to back up the data in the logo interface press alt+f10 one-click restore; If you are not using a pre-installed system, it is recommended to back up your data and reinstall the system.

4. Hard disk and other hardware failures. Solution: It is recommended to send the local service station for testing hardware.

The black screen of Lenovo laptop can't be opened, and the method of dealing with it is as follows:

1. The black screen of the laptop should first check whether the notebook is in a sleeping or dormant state, you can press the esc button of the keyboard several times to see if the keyboard light is on.

2. The connection cable between the monitor and the notebook is loose, if the notebook is connected to other monitors, it is recommended to reconnect the line between the monitor and the notebook.

3. Hardware problems, choose to enter the BIOS immediately after booting to see if the screen will also be black, if the screen is also black, the hardware is faulty.

4. System update, incompatibility after automatic update leads to black screen, you need to uninstall the latest update to solve.

5. Power failure problem, let the laptop charge for a while, and try to turn on again in the charging state.

6. If the system fails, call the notebook after-sales service for maintenance.

Lenovo notebook hardware failure

Mainly CPU, memory, hard disk, graphics card and other issues.

First check whether it is a CPU or memory failure problem that causes Yu Zheng Na to not work properly, usually a problem with the memory module and SSD. It's also possible that the motherboard chip is damaged or there is a memory module problem.

The position of the motherboard and memory modules is fixed, which makes it difficult for the fan to rotate and causes abnormal noises. The power supply, water ingress into the case, and the computer cannot boot, etc., all of which will cause the laptop hard drive and memory module to fail to boot normally. Then it needs to be taken apart for overhaul.