Solve the startup time setting problem of Vista

Some friends installed a max6.0 one-button backup and restore system to protect the system. The startup wait time set is 2 seconds, but the boot menu is still 30 seconds. How to amend it?

If you have multiple operating systems installed on your computer, Vista can choose which operating system to boot when you turn on your computer. The case where multiple operating systems are installed on a computer is called "multiple boot configuration." Here's how:

Click to open "Control Panel"-> "System" (if you are prompted for an administrator password or for confirmation, type your password or provide confirmation) -> Advanced System Settings "-> "Advanced" tab -> "Startup and Recovery" -> "Settings" -> In the "Default Operating System" list under "System Startup", click the wish to open or restart The operating system used by the computer.