1. The screen is black when booting, but there is sound to confirm that you have entered the system normally. Try connecting an external monitor to see if the graphics card output is normal. If you can boot and display normally when connected to an external monitor, it means it is a notebook LCD screen. Or a wiring issue.

2. It may be caused by poor contact. It is recommended to restart the notebook. If the problem still cannot be solved, the monitor is broken and it is recommended to go to a repair shop for repair.

ThinkPad is a portable computer brand created by the IBM PC Division. The first product was released in 1992.

ThinkPad has unique technologies including TrackPoint (pointing stick, commonly known as Little Red Riding Hood), ThinkLight keyboard light, full-size keyboard and APS (Active Protection System). In 2005, ThinkPad was acquired by Lenovo, and the trademark is owned by Lenovo. On July 25, 2016, ThinkPad officially announced its entry into the gaming laptop industry.

Common reasons for a black screen:

1. Poor contact of the display data cable;

2. Poor contact of the graphics card;?

3 , poor contact and overheating of the CPU;

4. Poor contact of the memory module;

5. Poor power supply performance;

6. The machine is infected with the CIH virus and the BIOS is corrupted. Destructive refresh;

7. Microsoft black screen, please patch.