Windows is a very capable operating system. But there are times when things go wrong and the computer crashes. When the computer reboots, it loads a low-resolution desktop and it has the words “safe mode” on all four corners of the screen. Ever wondered what this is and what it is used for?

Safe mode is a diagnostic mode used in Windows, Mac OS, and certain electronic devices. An operating system has reduced functionality during safe mode to allow the user to diagnose a problem with a driver, software, or hard disk. During safe mode, minimal drivers are used in order to isolate a program so that it can be easily be evaluated for common problems such as corrupt disks or poorly configured software.

Safe mode loads as few executable modules as possible and runs a minimal amount of devices, usually just enough for the computer to carry out basic functions. Safe mode can be described as a 'miniature' operating system. Safe mode typically allows the user to run diagnostic programs and utilities in order to troubleshoot a program. Once the user has corrected the problem, the computer can be rebooted and started in normal mode.

In Windows, during safe mode, the computer does not boot the system configuration files or any of the autoexec.bat files. Most drivers are also not loaded (Drivers are software that the computer uses to communicate with hardware, such as a printer or scanner). Instead of the normal graphics driver, safe mode utilizes only the standard VGA graphics. That is why the screen has only about 16 colors and the resolution is reduced. Safe mode boots with system.cb file instead of the standard system.ini file.

Safe mode starts automatically if Windows did not successfully boot on a previous attempt. You can also initiate safe mode yourself by hitting the F5, F8, NUM Lock, or DEL key on your keyboard, depending on what type of BIOS you have. If you computer boots in safe mode you should figure out what went wrong and try to fix it. Check any newly added hardware or program or game that you have recently installed. After you delete the new software, you can now reboot the computer. If it reboots successfully, there is a problem with the new hardware or software you have just installed.

Safe mode is not as intimidating as it seems, and it is actually designed you fix problems with your computer.

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