Pressing the F2 key on the computer when Windows starts to load will generate a set up menu. The F2 key will also allow a user to select a safer mode to load Windows in the case of a virus being suspected.
Debugging Mode with Command Prompt only Press F8 for advanced startup option
Disable automatic restart on system failure
At the Windows Boot Managerscreen, select the OS you want to use the Advanced Boot Options for, then press F8.
To open DHCP management on a Windows Server, you can use the command dhcpmgmt.msc in the Run dialog (accessed by pressing Windows + R). This command launches the DHCP Management Console, where you can manage DHCP scopes, options, and leases. Alternatively, you can also access it through the Server Manager under the Tools menu by selecting "DHCP."
disable automatic restart on system failure
1:Control Panel 2:Power Options 3:Advanced From there you will know what to do.
If the Recovery Console was not installed prior to encountering a problem, it can still be accessed by using a Windows installation CD or a recovery disk. Boot from the installation media and select the option to repair your computer, which will lead you to the Recovery Console. From there, you can execute commands to troubleshoot and fix issues with the operating system. Alternatively, for newer versions of Windows, you can use the Advanced Startup Options to access recovery tools.
Automated system recovery
Go To Start->Control Panel->Windows Firewall->in the tabs Choose Advanced->Restore Defaults
When booting up in Windows XP, pressing the F8 key allows users to access the Advanced Boot Options menu. This menu provides various options for troubleshooting and recovery, including Safe Mode, Safe Mode with Networking, and Safe Mode with Command Prompt. Users can also choose to enable debugging or start Windows normally. Additionally, it allows access to the Last Known Good Configuration feature to revert to the last functional system state.
Windows vista and 7 %system root%/system32/config/ ie: C:\system32\config
In windows you can access DOS mode by clicking "run" in the start menu and typing "command" into the blank. DOS mode can also be accessed via the boot menu (accessed by pressing F8 during startup) and choosing command-line.