If you shorten the waiting time for the boot of the dual system when you choose to start

My Computer --Properties--Advanced --- Boot & Failure Recovery --- Settings --Display the OS Time List--- Change it yourself, change as much as you like.

The operation process is as follows:

Double-click "My Computer" Double-click C: Disk Tools Folder Options View Remove"Hide protected operating system files"In front of the checkbox, select "Show all files and folders" in the root directory of the C: drive, right-click to remove the read-only.

Click "Start" -- Run", enter "C:", change "30" to "5" to change 30 seconds to 5 seconds.

There is a system file open under the C drive, and there is a line in it that is.

timeout=xx The xx after it represents the number of seconds.

Click on the tool Folder Options View, check Show all files, unhide protected OS files so you can see it.

Desktop right-click on "My Computer" - Properties - Advanced - Startup and Failback - Settings - and it will be! Mine is XP's, you can modify it under XP.

Method 1:

Press win+r (or open the start menu and click Transport) and enter msconfig in Runtime

Locate and click on the Bootstrap tab in the system configuration window that opens, and you can customize the waiting seconds (e.g. 6 seconds) in the box under Timeout. Once you're sure, you're done.

Method 2: Computer Right-click – Properties – Advanced System Settings (on the left side of the Properties window) – Advanced – Settings (in the Startup and Failback group).

In the pop-up "Startup and Fault Recovery", find the small box on the right of "Time to display the operating system list", and you can modify the startup item time (you can click the forward and inverted triangles, or you can enter it by yourself), and you can confirm it.

Method three: Install easybcd (preferably Chinese when choosing the language) and open it.

Click on the bootstrap entry, in the small box on the right side of the "Countdown" column, you can modify the time of the startup item (you can click on the inverted triangle, or you can enter it yourself), and click Save Settings.

Right-click on my computer, Properties, Advanced, and the third setting is the settings under Startup and Failback, and then it comes out to change the time.