1:win7 needs the system's own restore function to turn on f 1 1- advanced-restore the system to a certain time in the past, that is, the day before or a few days before the problem occurred, and it can be solved in a few minutes. Other methods can't fundamentally solve your problem.
2: You can also press {F8 to enter Safe Mode} to select System Restore.
3. It is recommended to start the welcome screen -{F8 to enter the safe mode} for recovery, because in the safe mode, the software outside the system cannot be started, and it can be done in a few minutes if the speed is fast.