It is recommended that you first charge or connect the computer for testing. If there is a display, it is usually a system problem and can be reset to solve it.Press and hold the power key+volume up key to enter the recovery mode when the machine is powered off, select the wipe date/factory reset to clear data and restore factory settings, and the wipe cache partition to clear cache data. After clicking OK, select reboot system now to restart the system.
If there is no response, it is usually a hardware problem. After sales inspection and maintenance are recommended.
