Win7 system boot black screen appears code "Windows can not start" solution skills

            The cause of the failure: The actual code means that the boot file is lost. The boot file (NTLDR) is usually stored in the root directory of the C drive. It is a system file with hidden and read-only attributes. The primary responsibility of the boot file is to resolve the Boot.ini file. The win7 system will undergo three stages of pre-booting, booting, and loading the kernel during the boot process. If there is a problem in one of the phases, the system will not boot properly, resulting in a black screen on the computer.
Solution:
1. Insert the Windows 7 system boot disk into the floppy disk drive, or restart the computer when inserting the Windows 7 system installation CD into the CD-ROM drive;
2. When the "Install" program is displayed & rdquo; When the screen is pressed, press the R key to start the Recovery Console;
3, at the Recovery Console command prompt, type the following lines of commands, and press the Enter key after each line of command input;
Md tmp
copy c:\\windows\\system32\\config\\system c:\\windows\\tmp\\system.bak
copy c:\\windows\\system32\\config\\software c:\\windows\\tmp\\software.bak
copy c:\\windows\\system32\\config\\sam c:\\windows\\tmp\\sam.bak
copy c:\\windows\\system32\\config\\security c:\\windows\\tmp\\security.bak
copy c:\\windows\\system32\\config\\default c:\\windows\\tmp\\default.bak
delete c:\\windows\\system32\\config\\system
delete c:\\windows\\system32\\config\\software
delete c:\\windows\\system32\\config\\sam
Delete c:\\windows\\system32\\config\\security
delete c:\\windows\\system32\\config\\default
copy c:\\windows\ epair\\system c:\\windows\\system32\\config\\system
Copy c:\\windows\ epair\\software c:\\windows\\system32\\config\\software
copy c:\\windows\ epair\\sam c:\\windows\\system32\\config\\sam
copy c:\\windows\\ Repair\\security c:\\windows\\system32\\config\\security
copy c:\\windows\ epair\\default c:\\windows\\system32\\config\\default
4. Type exit to exit the recovery console. The computer restarts and the black screen problem is solved.
The above is to repair the Win7 system after booting black screen, the code for Windows can not start: \\Windows\\System32\\Config\\System” method, there are users who have encountered such problems, try this small series for everyone to provide this A way, maybe it can help you solve this problem faster.