Case analysis of the black screen after the win7 system is booted to the desktop

                  Phenomenon description
win7 no desktop icon after entering the system, display black screen, view the current process has explorer.exe process, no other suspicious process, end the explorer process reload invalid, how to deal with?

solutions
Note: Modify the registry at risk, advises users to backup hard disk data, careful operation.
1, press Ctrl+Alt+Del to open the task manager, switch to the "Applications" tab, click on "New Task", enter regedit Enter or click OK to open the Registry Editor
2, navigate to
HKEY_LOCAL_MACHINE\\\\SOFTWARE\\\\Microsoft\\\\Windows NT\\\\CurrentVersion\\\\Winlogon
The value of the Shell item is Explorer.exe, modify it to explorer.exe
3, restart problem solving