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How to safely install Vista system

A friend called and said that when Vista was tried, the original system was destroyed, the important documents of the company were lost, the bonus was gone, and a criticism was made...

Vista is still in the testing stage, the stability is not as high as expected, some versions are still in English, some software can not run under it after installation, which determines that we can not use it as the main Working system. How can I ensure that the work trial is correct?
1. Processing of ISO files
1. Burning discs
Vista downloaded to Vista is mostly an ISO file, which can be burned to a DVD disc and then booted from a CD. Do the installation of Vista. For those who love new software, once a test version is burned once, and almost every test version contains both 32-bit and 64-bit versions. The direct consequence is to collect a large number of DVDs - an exhibition It would be nice.
After this processing, you can use the CD to start the computer to install Vista, you can build a multi-system with WinXP and so on.
2. Virtual CD
The virtual CD-ROM software that I have tried to install Vista normally is Alcohol120 retail (version 1.9.5.4212).
Run Alcohol12, the main interface is shown in Figure 1. By default, it automatically creates a virtual drive and automatically assigns a drive letter. The number of partitions included on the computer is different, and the automatically assigned virtual drive letter is different. As can be seen from Figure 1, the drive letter assigned to the virtual drive on the author's computer is I.

Figure 1 Right click on the virtual CD-ROM drive, select "Load Mirror" from the pop-up shortcut menu, then locate the folder where the ISO file is located, double-click the downloaded ISO file of Vista to load it. Come in. After successful, it can be seen as "media" under "Media Status" in Figure 1, and the location of the ISO file can also be observed.
In the future, you can use it to install Vista just like you would a physical optical drive. After adopting the virtual optical drive, Vista can only be installed under the window of the original system such as WinXP, forming a simple multi-system, but the cost and trouble of burning the optical disc can be saved.
Two or three kinds of security installation methods
The security installation mentioned here refers to installing Vista on the basis of not destroying the original working system such as WinXP.
1. Simple and practical multi-system
1 installation
First, the original system is Ghost backup, and then an NTFS partition with a capacity greater than 10GB is vacated.
Next, based on the original system to install Vista through a physical optical drive or virtual drive, it should be noted that when specifying the installation location of Vista, you must select the partition that has been vacated.
This installation method will form a menu-based multi-system, through the boot menu you can choose to enter the original system or Vista. You can do daily work under the original system or you can choose to start Vista for trial use.
2 Uninstallation
It is not so much an uninstall, it is better to say that it is completely removed.
Restore the GHOST backup of the original system, format the installation of the partition where Vista is installed to completely restore the original system.
Features: There is a boot menu.
Advantages: Simple and applicable.
Disadvantages: The two systems are not completely independent, and some system files are shared. When the system installed first fails and cannot be started, the system installed afterwards cannot be started.
2. The most secure virtual installation

The following is an example of virtual installation of Vista through Microsoft Virtual PC 2004 (hereinafter referred to as VPC). VPC is a virtual computer software that can virtualize a computer based on the original system. The virtual computer and the physical computer are almost identical in operation. We will install Vista on this virtual machine.
1Create a virtual machine
After installing the VPC, run it. Click “New” on the main interface shown in Figure 3 to create a virtual machine under the guidance of the wizard. computer. In the whole process, there are only two steps to pay attention to.

Figure 3
First, when you specify the "name and location of the virtual machine" step, please click the "Browse" button to assign the location to a free space of about 10GB Or the above partition, the name can be arbitrary.
Second, when you configure the "virtual machine memory" step, please click "change the memory size", try to increase the virtual machine's memory by at least 512MB, otherwise install or run on the virtual machine. Vista will be as slow as a crash. It should be noted that the virtual machine itself is equivalent to a software under the current system (the host system). The memory here is too large and affects the running speed of the host system. When the host system is already very hard, the virtual machine does not think about it. Get up quickly - the skin does not exist, the hair will be attached! For this reason, it is recommended that the virtual machine memory is slightly larger than half of the physical memory size. Don't want to run a virtual machine when the physical machine memory is less than 1024MB.
After completion, you can observe the newly created virtual computer in Figure 3, such as "Vista". Since it has not been started yet, there is a "No Run" prompt.
2Install vista
Select the virtual computer you just created in Figure 3, and then click "Start" next to it, it will start up like a real computer to turn on the power, press The DEL key on the keyboard can also enter the CMOS interface for related settings. Please set the CD-ROM drive priority. Save the CMOS settings after the completion to restart the virtual machine. By default, the virtual machine uses a real optical drive on a physical computer. Use the Tools CD to launch it and partition the virtual machine's hard drive. By default, the virtual machine will be dynamically allocated to a maximum of 16GB of hard disk space. The primary partition where vista is installed must be in NTFS format and have a capacity of 10GB. After the partition is completed, please restart the virtual computer. Click “Reset” under “Action” to restart the virtual machine.
If you have a Vista DVD installation CD and it is plugged into your CD-ROM drive, the installer will run immediately. If you have created a virtual CD-ROM with Vista's installation image ISO with Alcohol120 retail, you can click on "Optical Drive" in Figure 4, and select "Physical Drive X" (X indicates the drive letter of the virtual drive). Can also be installed.

Figure 4
3 Uninstall

The virtual computer is actually supported by two files, which are the directories we specified when we created the virtual machine. under. Rather than uninstalling, it's better to say that the deletion is more authentic. In Figure 3, select the virtual computer to be cleared, and then click Remove. At this time, the two files supporting the virtual machine have not been deleted from the hard disk. Please delete the two files manually in the specified directory. How much hard disk space (close to 10GB) is used to install Vista on a physical computer, how large the sum of these two files is, and a large amount of hard disk space can be emptied after deletion.
Features: There is no boot menu.
Advantages: High security, WinXP running on the physical machine, Vista running on the virtual machine, can be very intuitive to compare the difference between the two systems.
Disadvantages: There are high requirements for computer configuration, but it is difficult for ordinary users to achieve.
3. If you have multiple hard drives and multiple systems
The following is an example of installing WinXP and Vista on IDE and SATA hard drives respectively. When two hard drives are IDE or SATA at the same time. untested. Set the original system WinXP has been installed on the IDE hard disk, now you need to install Vista on the SATA hard disk.
1Hidden Method
First, restart the computer, press DEL key to enter the CMOS window, select the first item on the main interface, “Standard CMOS Features” and press Enter to enter Figure 5. The interface shown, obviously, shows the hard disk, CD, etc. that have been installed on the computer.

Figure 5
[Tip] It can be seen that the two IDE interfaces (identified as IDE Channel 0 and IDE Channel 1 respectively) have the disk in the master position. The former one is the IDE hard disk, the latter one is the optical drive, and the IDE interface's slave disk (Slave) position is suspended.
The location of the IDE Channel 2/3 corresponds to the two SATA ports on the motherboard, and the latter one is connected to the hard disk. It should be noted that, as can be seen from Figure 5, there is no slave disk corresponding to the SATA interface. In fact, the data cable of the SATA hard disk is different from the data cable of the IDE hard disk. It has only interfaces at both ends, unlike the IDE hard disk. The data line also has an interface in the middle for picking up the disk.
Next, select the hard disk on the first IDE interface, ST340014A, press Enter, go to the next interface, press the Up/Down page on the keyboard repeatedly (Page Up/Page Down) until “IDE” The value after channel 0 Master is None.
Then, press F10 to save the CMOS settings and restart your computer.
Through the previous settings, we have hidden the hard disk on the first IDE interface, and can start the partition operation by booting the computer to the DOS partition magician CD. Only SATA can be observed during the partition. Hard disk, obviously, the purpose has been reached. Booting the computer with the Vista installation CD can only be installed on the SATA hard drive when installing the system. After the installation is complete, it can only boot to the Vista system, but you can also observe the partition on the other hard disk.
To start the WinXP system of the IDE hard disk, you can reset the CMOS, that is, hide the SATA hard disk and unhide the IDE hard disk.
2Select Method
Enter the main interface of CMOS settings, select the second item, “Advanced CMOS Features”, and then select “Hard Disk Boot Priority” in the next interface to enter the interface of Figure 6. Here you can also observe the IDE and SATA hard drives installed on your computer (provided you don't hide any hard drives in Figure 5), press the Page Up/Page Down button on the keyboard until Ch3 M. : ST380011AS" is at the top. Only the SATA hard drive is active after restarting the computer, of course, only the new operating system can be installed on it. And as before, the boot menu is not generated. To choose to enter a different system, you can set it in Figure 6, and which hard disk is at the top, which operating system is booted.

Figure 6
2 Uninstalling
It is far-fetched to say that the uninstallation is not possible because the two systems have no connection.
Features: There is no boot menu.
Advantages: The two systems are completely independent, there is no boot menu, and even one hard disk can be taken down, and the other hard disk can work normally with the highest security.
Disadvantages: high cost. It is cumbersome to choose to enter different systems.