Win7 Shutdown and reboot?

Workaround one, as follows:

1: Click "Start"-"Run"-"msconfig"

2: Then in the System Configuration Utility panel, select Advanced

3: "Disable Fast shutdown" checked

4: Restart the computer to be resolved.

Workaround two, as follows:

Step one: Turn off the setting of the computer to automatically restart when a system error occurs right-click on "My Computer"--> Select "Properties"--> in the Pop-up System Properties dialog box, select the Advanced tab--> click "Settings" in the lower right corner of the "Startup and Recovery" item below- > In the pop-up "Startup and Recovery" dialog box, the "automatic reboot" front of the check off--> click "OK" exit;

Step Two: Click the "Start" menu--> Select "Run"--> enter "regedit" to open the registry--> in order to expand [Hkey_local_machinesoftwaremicrosoftwindow Ntcurrentversionwinlgon] project, locate the "Powerdownaftershutdown" subkey on the right side of the Winlgon project--> Click the right mouse button to select "Modify"--> change the numeric data to "1"- > If you do not find the "Powerdownaftershutdown" subproject, you can right-click a new "Powerdownaftershutdown" item and set its data value to "1".

Step three: Open "Network Neighborhood"--> right click on "Local Area Connection" select "-->" click "Configuration (C)" On the General tab--> Select "Power Management"--> "allow the computer to turn off this device to save power" tick, remove " Allow this device to leave the computer out of standby "click OK" in front of the check--> to exit.

If you try the above method or you cannot resolve automatic restart after the shutdown, computer shutdown automatically restart the problem, it is recommended to focus on the internal chassis of the CPU, graphics, motherboard, memory is too high temperature, in the shutdown of some resources to cause the hardware heating up over a certain temperature protection limit, the computer will automatically restart, That is, the computer has not been completely shut down and automatically restarted, or the system can be a comprehensive scan to eliminate the virus caused by the shutdown after the automatic restart, computer shutdown automatically restart the problem.