F8 How to enter Safe mode, the role of Safe mode

When your computer fails, you can try to use Safe mode to solve the problem, how to enter Safe mode? The method is very simple, after the machine restarts, after the hardware self-test system starts, presses the F8 key to be able, if you grasp not to be able to press the F8 the time, may after the restart presses the F8, after entering, may carry on you to need the operation! Security mode can solve the problem:

1. Repair system failure

If Windows is running unstable or does not start properly, then do not focus on the system, try to restart the computer and switch to Safe mode to boot, and then restart the computer, the system has returned to normal? This method is very effective if the system fails due to a problem with the registry, because Windows automatically fixes the registry problem when it starts in safe mode, and when you start Windows successfully in Safe mode, you can normally start in normal mode.

2. Restore system settings

If the user is installing new software or has changed some settings, causes the system not to start normally, also needs to enter the safe mode to solve, if is installs the new software to cause, please uninstall the software in the Safe mode, if is changes some settings, for example displays the resolution setting to exceed the display scope, causes the black screen, Then enter safe mode can be changed back, and the screen saver with a password on the "Boot" menu, forget the password, resulting in the operation of the computer does not work, you can enter the Safe mode changes.

3. Removal of stubborn documents

When we delete some files or purge the contents of the Recycle Bin under Windows, the system sometimes prompts the words "so-and-so is being used, cannot be removed", interestingly, these files are not being used, so will they always occupy our hard drive? Please do not worry, restart the computer, and press the F8 key to enter Safe mode at startup, try to remove those stubborn files and empty the Recycle Bin to look, no! It turns out that Windows has abandoned the protection of these files and can delete them.

4. Complete removal of the virus

Now virus day more than a day, anti-virus software also follow every day update. However, in normal Windows mode, sometimes it is not clean and thorough removal of the virus, because they are very likely to be infected, and some anti-virus programs can not run in DOS, at this time we can also boot system to safe mode, so that Windows only load the most basic driver, It would be more thorough and cleaner to kill the virus.

5. Defragmentation of disk

In the process of defragmenting, you cannot run other programs, because the defragmenter automatically restarts whenever other programs do disk read and write, and typically when you start Windows normally, the system loads programs that start automatically, and sometimes these programs are not easily closed manually. Often interferes with Defragmenter, in which case we should restart the computer to enter Safe mode, Safe mode does not start any automatic startup program, can ensure the smooth defragmentation of the disk.