After Ubuntu is installed, set the default system in win7.

After Ubuntu 11 is installed, you cannot set the default startup system to win7 or Ubuntu 11.

I found a lot of information on the Internet and found a good software for fixing multiple systems. Although easedbc is full of English, it can be used with just a few words.

The usage is as follows:

Operating systems supported by easybcd:

Windows series: MS-DOS 6.x, Windows 95/98/Me, Windows NT/2000/2003/XP, Windows Vista/7, winpe

Other operating systems: Linux, BSD, Mac OS

Download;Apsara Disk

Note:

1) considering the need to support the latest systems (Windows 7, and Ubuntu 10), we recommend that you exercise caution when using versions earlier than easybcd 2.0 build 76.

2) set the guidance of the low-level system in the advanced system. For example, to boot XP and Windows 7, install easybcd in Windows 7 and set XP boot. Otherwise, XP cannot be started due to an error.

3) The software can run on Windows XP, Windows Vista, and Windows 7 systems,If you want to use Windows XP, you must install Microsoft. NET Framework in advance.Otherwise, the software cannot be used normally (the operation permission and drive path are affected).

Microsoft. NET Framework2.0 download:. Net

The just-run easebcd is run as follows:

Various functions are simple:

Here, bootloadersetup can create a new startup file, so that the startup file can set various parameters by itself; finally:

Tools-Restart computer. restart the computer.