|... @ bootup tap <F8> <key> before the Windows logo appears on the screen.|
... If you press <F8> after the Windows logo appears on the screen, the Advanced Boot Options menu will not appear on the screen. If you do not see the Advanced Boot Options menu, restart the computer, and then repeat this step until you see the menu on the screen.
... [press] the <Down Arrow> on the keyboard to select Repair Your Computer on the Advanced Boot Options menu, and then press [Enter]
... Specify the language settings that you want, and then click Next.
... Log in as a user who has administrative credentials, and then click OK.
... Click Dell Factory Image Restore.
... might work if it exists putting back on to factory condition.
... there is logic to this madness!