Play XP system restore and skill

In Windows XP system, we can use the system's own "system restore" function, record the changes we made to the system by setting the restore point, when the system fails, use System Restore works to restore the system to its pre-change state.

a, the actual system restore

1. Preparations

Before using this function, make sure that Windows XP has this feature enabled. Right click on "My Computer", select the "Properties" /"System Restore" tab, make sure the "Resume System Restore on All Drives" check box is not selected, and then ensure that "Partitions that need to be restored" are in the "Monitor" state. .

2. Create a restore point

Click "Start → All Programs → Accessories → System Tools → System Restore", run the "System Restore" command, open the "System Restore Wizard", select "Create a Restore Point" /" The Next button (Figure 1), fill in the name of the restore point, you can complete the restore point creation (Figure 2).
Figure 1
Figure 2
It should be noted here: to ensure that there is enough free space on the hard disk when creating a system restore point, otherwise it may cause the creation to fail. The method of setting multiple restore points is the same as above, and will not be described here.

3. Restore Restore Point

Open "System Restore Wizard", select "Restore my computer to an earlier time" (Figure 3), click "Next", select the date (Figure 4) and then follow The wizard can be restored.
Figure 3
Figure 4
Note: Since the system will automatically restart after restoring the restore point, it is recommended that you quit all currently running programs before the operation to prevent important files from being lost.

Second, the advanced operating system restore

1. Setting up system restore

System restore function takes up a lot of hard disk space, you can use the "setup" function to ensure hard disk space. To cancel the System Restore feature, simply follow the instructions above, uncheck the "Turn off System Restore on all drives" checkbox (Figure 5), delete the system restore point, and free up hard drive space. If you only want to restore the settings of a disk, deselect the "Turn off system restore on all drives" check box, select the required partition in the "Available drives" item, click "Settings", select "Close system restore on this drive" "The system restore function of this partition can be disabled. In addition, you can also limit the disk space used by the partition to restore the function. Select the partition to be set. After clicking “Settings”, drag the block in the pop-up settings window to adjust the space size (Figure 6).
Figure 5
Figure 6
2. Freeing extra restore points

Restore points in Windows XP include automatic system creation and user manual creation of restore points. When the usage time is lengthened, the restore point will increase and the hard disk space will be reduced. At this time, the extra restore point can be released. Open "My Computer", select the disk and right click, select "Properties" /"General", click "Disk Cleanup" (Figure 7), select the "Other Options" tab (Figure 8), in "System Restore Click the "Clean" button and click Y.
Figure 7
Figure 8

3. System Restore Function Failure Processing

The system restore function mentioned above is operated in Windows XP. If you cannot enter Windows XP system, you can solve it as follows:

(1) Security mode Run System Restore

If Windows XP can enter safe mode, you can perform system recovery in safe mode, the same steps as "Restore Restore Point".

(2) DOS
mode for system restore

If the system can not enter the safe mode, press F8 at startup, select "Safe Mode with Command Prompt", use Log in as an administrator, enter the %systemroot%\\Windows\\system32\ estore directory, find the rstrui file, run the rstrui file directly, and follow the prompts.

(3)

System Restore in Windows XP preset System Volume Information folder, usually hidden in the case of loss of restore points, which holds the System Restore backup information . Open the "Show all files and folders" property and select "Unlock hidden protected system files". You will see the "System Volume Information" folder on each disk (Figure 9). Use this folder for data recovery.
Figure 9

Right click on "My Computer", select "Properties" /"System Restore", uncheck the "Turn off System Restore on all drives" check box, click the "Apply" button. This is done to rebuild a restore point. Then open the "System Restore" command, you can find the lost restore point.

above description is for the FAT32 partition, will encounter little trouble if the system partition is NTFS, then start the System Volume Information folder. Because you may not have been added to the System Volume Information security properties, you will not be able to access the file. Right click on the folder, select "Properties" in the pop-up menu, open the System Volume Information Properties dialog box, select the "Security" tab, click the "Add" button, open the "Select User or Group" window, click on the In the lower right corner of the window, click the "Advanced" button, then click the "Find Now" button, then all the users and groups on the computer will be listed, select the name of the current account or the group where the account is located, and then "OK". The selected account is added to the System Volume Information security properties and the folder is accessible.

4. Customize the size of the System Restore space

By default, Windows XP has a maximum space of 12% for System Restore, but you can change this value by modifying the registry. Run the Registry Editor, and then expand the HKEY_LOCAL_MacHINE\\SOFTWARE\\Microsoft\\WindowsNT\\CurrentVersion\\SystemRestore branch. In the right window, you can see two DWORD values ​​"DSMax" and "DSMin" (Figure 10), which represent the system restore. Maximum and minimum disk space, you can directly modify their key values. There is also a DWord value called "DiskPercent" under this branch, which indicates the percentage of disk space to be allocated for system restore. The default value is 12%, which we can adjust as needed.
Figure 10