Three commands to solve Windows 7 can not start the problem

Relative to other versions of Windows, although the stability of Win7 system is undoubted, but due to sudden power outage, virus damage or install or uninstall some special software, the same Will make Win7 bootloader not work properly, Win7 will not start properly and report "ldx;0xc000000e" error. In this case, most people will choose to reinstall the system. In this state, pressing the F8 shortcut will not be able to bring up the Win7 advanced boot menu, and of course it will not be able to enter the safe mode to perform the repair operation. Not only that, but various system maintenance tools such as WinPE that have been installed with the menu option added to the Win7 boot menu are also not working properly. Isn't it the only way to reinstall the system at this time? The answer is of course no, the author will share some of his experience with everyone. First modify the BIOS to set the U disk as the first boot device, then use the U disk version of WinPE to boot the system and run the command prompt tool under WinPE system; then enter the following DOS command at the cursor position (per input a DOS The command must press the Enter key): cd c:\\windows\\system32 bcdedit /set {default} osdevice boot bcdedit /set {default} device boot bcdedit /set {default} detecthal 1 In the window shown at right, The meaning of the first DOS command is to switch to the directory of "C:\\Windows\\System32" (Win7 is installed to the C drive by default. If you install Win7 to other hard disk partitions, please change the drive letter C to other The corresponding drive letter), the meaning of the other three DOS commands are: set the hard disk partition where Win7 is the default (ie, C drive, the same below), set the partition where the Win7 boot file is located, and start the computer from the default location. After completing the above operation, you can log in to Win7 normally after restarting the system. In this way, we do not need to reinstall the system for a small startup failure. If you have encountered such a startup failure in the process of using Win7, you may wish to refer to the method described in this article, I believe that the problem can be easily solved.