![]() So what should you do if your computer boots to Safe Mode? First, try to determine what has changed on your system that could have caused Windows to fail to boot properly. You can also invoke Safe Mode by pressing F5 or by pressing F8 and selecting it from the boot menu. ![]() Safe Mode starts up automatically if Windows does not boot on the previous attempt. The Windows desktop loads up in 16 colors and at a resolution of 640 x 480 with the words "Safe Mode" in each corner.It skips the (except for the shell and device lines) and sections of system.ini and does not load or run any programs listed in win.ini. Windows now loads the regular system.ini file plus win.ini and Registry settings.This file loads the Virtual Device Drivers (VxDs) that Windows uses to communicate with the standard parts of the computer. Windows boots using a batch file called system.cb instead of the standard system.ini file.If it does not find the Windows files, it will run to bring up a C: prompt. If it finds the files, it proceeds to load Windows in Safe Mode with the command win /d:m. Safe Mode checks the msdos.sys file for information on where to find the rest of the Windows files.This switch tells the computer to test the extended memory before continuing. Himem.sys, which is normally loaded as part of the config.sys script, is loaded with the /testmem:on switch.This mode is supported by all Windows-compatible video cards. Instead of the normal graphics device driver, Safe Mode uses standard VGA graphics mode.A device driver is the software that Windows uses to interact with a piece of hardware, such as a printer or scanner. Safe Mode does not run the autoexec.bat or config.sys files.
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