How Toshiba cleans the disk to free up space under Vista.

　1. Click "Start" - "All Programs" - "Accessories" - "System Tools" "-Open "Disk Cleanup"

　2. Open the "Disk Cleanup Options" dialog box and select "Files for all users on this computer"

　3. Open the "Disk Cleanup" dialog box box to select the partition that needs to be cleaned.

4. After clicking "OK", it will start scanning the hard disk, which may take a long time.

5. The "Disk Cleanup" main program appears.

6. In "Files to be deleted", select the file type that needs to be deleted.

Note: If the "Hibernation" function is enabled on your computer, please do not select "Hibernation File Cleaner". Otherwise, the "sleep" function will not work properly.

7. In the "Other Options" tab, you can clean up restore points that take a long time.

8. Click "OK" to start cleaning the disk.