What is the role of the Windows 7 system security model?

What is the role of Windows 7 system security mode? Windows security mode is to troubleshoot and repair after logging in to this mode when the operating system is abnormal. In this mode, the system will only start the underlying service, other Applications won't start, and users can easily troubleshoot system issues. Safe mode works by starting the computer without loading third-party device drivers, allowing the computer to run in the system's minimum mode, so that users can easily detect and repair computer system errors. Let's take a look at the Windows 7 security model. How to enter the Windows 7 security mode Method 1: Boot the F8 key before entering the Windows system startup screen; Method 2: Hold down the CTRL key while starting the computer. There will be a system multi-operation boot menu, this time you only need to select “SafeMode”, you can directly enter the safe mode. Operating Guide in Windows 7 Safe Mode

1. Delete stubborn files

When deleting some files in Windows normal mode or clearing the recycle bin, the system may prompt “ld files are being used, cannot be used. Delete & rdquo;, in this case we can delete it in safe mode. Because in safe mode, Windows automatically releases control of these files. 2, system restore in safe mode

If your computer can not start now, you can only enter safe mode, then you can restore the system in safe mode. After entering the safe mode, click “start”→“all programs”→“accessories”&rarquo;system tools”→“system restore”, open the system restore wizard, then select &ldquo ; Restore my computer to an earlier time & rdquo; option, click the "Next" button, click on the date displayed on the calendar to select the system restore point, click the "Next" button to proceed to the system reduction.

3, virus detection under safe mode

Now the speed of anti-virus software update can not keep up with the pace of the virus, a little careless your computer will be infected by the virus. But there are many viruses that can't be cleaned up under Windows, and the anti-virus software can't run under dos. At this time we can start the safe mode, Windows system will only load the necessary drivers, so that the virus can be completely removed. 4, unlock the group policy in safe mode

In fact, the group policy restriction in Windows is achieved by loading the registry specific key value, and this restriction is not loaded in safe mode. Press and hold the F8 key after rebooting, in the open multiple boot menu window, select “Safe Mode with Command Prompt”. After entering the desktop, enter “ld:;C:WindowsSystem32XXX.exe (the program you started)” at the command prompt of the startup, start the console, and then release the restriction according to the above operation. Finally, restart the normal login system to unlock. Note: Many restrictions on Group Policy cannot be effective in Safe Mode. If you encounter a restriction that cannot be lifted, you may want to go to find a solution. 5, repair system failure

If Windows is not stable or can not start properly, do not focus on the system at this time, try to restart the computer and switch to safe mode to start, then restart the computer Is the system restored to normal? If the system is faulty due to a problem with the registry, this method is very effective, because Windows can automatically repair the registry problem when it starts in safe mode. After successfully starting Windows in safe mode. Normally, it can be started in normal mode (Normal). 6. Restoring system settings If the user is installing new software or changing some settings, the system will not start properly, and it needs to be solved in safe mode. If it is caused by installing new software, please be in safe mode. Uninstall the software. If you change some settings, such as the display resolution setting is beyond the display range of the display, resulting in a black screen, you can change it back after entering the safe mode, and put a screen saver with a password on the list. In the Startup menu, if you forget the password, the computer will not operate properly, or you can enter the safe mode change.

7, out of malicious self-starting programs or services, if the computer has some inexplicable errors, such as not on the network, according to the general idea and can not find the problem, can start to secure with network connection Look at the mode, if it can be here, it means that some self-starting programs or services affect the normal connection of the network.

8. Detecting incompatible hardware XP has adopted a digital signature driver mode, and the detection of various hardware is stricter than before, so some devices may not be able to be driven under normal conditions. If you find that XP does not recognize the hardware in normal mode, you can press F8 at startup and then enter safe mode to detect new hardware in safe mode.

9, uninstall the incorrect driver

The general driver, if you do not apply your hardware, you can uninstall by XP driver restore. But the graphics card and hard drive IDE driver, if installed wrong, it is possible to enter the GUI interface to crash; some motherboard ULTRADMA patch is also the same, because Windows is to read the memory and disk page files to adjust the computer state at any time, so the hard drive one The system will crash if there is a problem. What should I do now?

In some cases, disabling the administrator account can cause maintenance difficulties. For example, in a domain environment, when the secure channel used to establish a connection fails for some reason, if there is no other local administrator account, the computer must be restarted in secure mode to fix the problem that caused the connection state to be interrupted.

If you attempt to re-enable a disabled administrator account and the current administrator password does not meet the password requirements, you will not be able to re-enable it. In this case, the optional member of the administrator group must set the password for the administrator account through the “local user and group" user interface