The possible reasons for the black screen of Lenovo laptop boot are:
1.Low power: This situation usually occurs when the battery is not fully charged or the connection power supply is unstable, at which point you can connect to a power source for charging to solve the problem.
2.Graphics card issues: Sometimes, the graphics card of your Lenovo laptop will malfunction, which can lead to a black screen on boot. This issue can be determined by using an external monitor in order to determine if it is a graphics card failure.
3.Sleep Issues: Lenovo laptops may go into hibernation mode for various reasons, which can also lead to a black screen. At this time, you can press the power switch again to restart.
4.Loose memory: Loose memory may also be one of the reasons for the black screen of Lenovo laptop, which can be solved by re-inserting the memory module.
5.Safe Mode Issues: If your Lenovo laptop doesn't boot properly due to an issue, it may go into Safe Mode. In this case, you can enter safe mode for virus detection and system file repair, if the above methods cannot solve the problem, you can consider using the full version of the Windows system or hardware driver officially provided by Lenovo.
6.Motherboard issues: If the motherboard of your Lenovo laptop is burned, it will also cause a black screen on boot. It is recommended that if you encounter this problem, it is recommended to send it to Lenovo repair for repair.
For the method to fix the black screen of Lenovo laptop boot, you can try the following steps::
1.Restart your computer: Sometimes, restarting your computer will fix most of the issues by pressing the power button.
2.Check the hardware: Check that all the hardware of your Lenovo laptop is securely installed, such as memory, graphics card, etc.
3.Check the power connection: Make sure your Lenovo laptop's power connection is stable, and you can try plugging the power cord back in.
4.Update driver: If there is a problem with the hardware driver, it may also cause a black screen, you can try to update the driver.
5.Enter safe mode: If none of the above methods can solve the problem, you can try to enter safe mode to fix it.
It should be noted that there may be many reasons for the black screen of Lenovo laptops, it is recommended to try according to the above methods when encountering problems, if the problem still exists, you can try to contact Lenovo after-sales service for repair and support, or contact professional technicians for repair.