How to cancel Win7 boot press Ctrl+shfit+del

Click the Start menu in the lower left corner and select Control Panel:

In the Open Control Panel window, click the user accounts Link:

And then click the Manage user accounts link in the User Accounts window:

In the Open User Accounts dialog box, switch to the Advanced tab:

Cancel the "Require users to press Ctrl+shfit+del" check box below:

Finally click the "OK" button to save the settings, after the reboot can be found on the boot does not need to press Ctrl+shfit+del will require the input password.