There are several solutions for the shutdown key in the Win7 computer.

Method 1. Enter “ldped;gpedit.msc” in the Run dialog box, press Enter to open the Group Policy window; 2. Then in the Group Policy window that opens, double-click &ldquo ;Manage Templates”“Taskbar and Start Menu”, then double-click on the right side to delete and block access ‘Shutdown & rsquo;commands>; 3, in the pop-up  delete and block access&lsquo ; Shutdown & rsquo; Command Properties & rdquo; window, switch to the "Settings" tab, select “ Disabled & rdquo;, then OK. Method 2: Click Run in the Start menu and enter “regedit.exe”, press Enter to open the Registry Editor; 2. Then expand to “HKEY-LOCAL-MACHINESOFTWAREMicrosoftWindowsCurrentVersionpoliciessystem”; 3, then on the right side of the window Find and double-click the <quo;shutdownwithoutlogon” item and change its value to 1. Method 3, the problem is still not solved, then enter the registry, and then expand to the HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionPoliciesExplorer, check whether there is Noclose key value in the right window, then change its value to 0 or delete, then save and exit . Method 4 If the problem still exists, restart the computer, press F8 to enter the advanced settings of the security mode, and click to enter the last correct configuration & rdquo; mode to enter the computer.