Win7 flagship system after the black screen only how to solve the mouse

1. After entering the Windows7 system, press "Ctrl+alt+del" key on the keyboard to open the Task manager;

2, in the Open Task Manager, click "File-New task", in the pop-up "New Task" window to enter the "Explorer" command after the click OK;

3, at this time, although successfully entered the desktop, in order to completely solve the black screen failure, still need to continue operation, press "Win+r" to open the running window, enter the "regedit" command after press ENTER;

4, in the pop-up Registry Editor in turn, expand the following registry HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows Ntcurrentversionwinlogon;

5. Locate and double-click the "Shell" item in the right-hand list, modify the data value to "Explorer.exe" in the Open Edit String window, and then click OK to exit the registry after the save.