You can use Tree command to display the folder structure.
Open the Command Prompt and execute the following command.
Tree D1 /f | more
Replace D1 with folder path and name of the folder you want to display the folder structure.
Have a look at Device Manager to see if there are any errors.
Update device drivers.
Manage startup programs from Task Manager --> Startup tab.
Scan for malware infection using MalwareBytes.
Perform clean boot state...