How to restore the system Windows Vista?

Please refer to the following contents.
 
Restore system will not affect the data files. To restore the system back to its origin status can solve system problems.

Once you use the restored system, you may not use the added drivers and software.
Please note that you may have to assemble the driver and reinstall software.
Using the restore function will sometimes lose the completeness of the information in the hard disks. On the other hand, instability of the system and data loss may happen.
Before restoring the system, please make a copy of important files.
If you use the restore function of the system, Sony Company cannot be responsible for this if data loss happens.
Please note this before restoration.
According to the restore point, after using the restore system, OpenMG Jukebox, SonicStage database cannot be used.
In order to avoid this, please be sure to use the copy tool of OpenMG Jukebox, SonicStage to make a copy of the data.
Please refer to the following contents to get more detailed information.

Please refer to the following contents about how to use Windows Vista to restore system.
Please refer to the following solutions of using Windows Vista to restore the system effectively.
 
The following methods can also start a restore system.
• Start by selecting the Start Menu
1.Click the Start button, click All Programs->Accessories->System Tools->System Restore
2.After displaying the User Account Control message, click the Continue button.
• Start by selecting the System Properties Screen
1.Click the Start button, right-click Computer for the content menu, and click Properties.
2.Click System Protection located on this screen.
3.After displaying the User Account Control message, click the Continue button.
4.After the screen of System Properties is displayed, select System Restore.

1.Click the Start button, and then click the Control Panel

2.Click System and Maintenance.

3.Click Back up and Restore Center.

4.Click Repair Windows using System Restore.

5.After displaying the User Account Control message, click Continue button.
6.Standard users refer to the following steps.
7.If the User Account Control screen does not display, please take the following steps.
8.Check any option, and then click the Next button.
After choosing Recommended Restore, please begin the step 8.

After this screen comes up, click the Next button.
9.Next click the Restore button, and then click the Next button.
10.After clicking the Restore button, click Finish.

11.After the screen Once the system start to restore, it cannot pause, nor cancel after completing, need to continue? appears, click YES button.
12.The PC will automatically restart.
13.After the system restore is complete, the following screen will appear, click the Close button.
After doing the above operations, the system restore has finished.

The restore point will inform you that you may Rollback in the process of system restore. 
The restore point is created automatically when you install application or drivers.