When the notebook computer is turned on, it stays on the windows page, which means that the system files have been deleted by mistake, which makes it impossible to enter the system. You can try the following methods to solve this problem: \x0d\ 1. Before starting the system, press f8 and select Last Known Good Configuration to restart the system. \x0d\2。 Before starting the computer, press f8 and select "Safe Mode" to enter the system: uninstall the software installed before the problem occurs. \x0d\3。 Before starting the computer, press f8 and select "Safe Mode" to enter the system. Computer-Right-Click-Manage-Explorer-"Graphics Card" Driver-Right-Click-Uninstall. Restart the system after uninstalling, and the system will automatically install the graphics card driver. \x0d\4。 Before booting into the system, press f8 and select "Safe Mode" to enter the system: delete everything in C\Windows\Prefetch\, especially the xxxx.pf file. \x0d\5。 If there is still a fault, use Lenovo's one-button system to recover (turn on the "lvt" key, see the manual for details). Please back up important data before recovery. \x0d\6。 If the fault still appears after recovery, it may be caused by hardware problems. Please take the notebook to Lenovo for after-sales inspection and maintenance. \x0d\ As to whether it is caused by 360, it cannot be ruled out, but this kind of fault caused by 360 is rare (excluding the old 360)! There is also a windows recovery error, which may be caused by illegal shutdown. At this time, the system data and the opened files were not written to the disk correctly, resulting in the file damage on the disk.