[Answer ID: 11864]
I deleted "DriveNavi.exe", so I cannot install softwares.
| 1. | 
 Turn on the computer. 
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| 2. | 
 Connect the AC adapter to the USB hard drive’s power connector. 
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| 3. | 
 Plug the power cord into a wall outlet. 
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| 4. | 
 Connect the USB cable into a port on the USB hard drive. 
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| 5. | 
 Connect the USB cable to your PC or Mac. 
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| 6. | 
 Download “DriveNavi.exe” from www.buffalotech.com. 
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| 7. | 
 Click [download] on the download page. Please read the "Readme" before you download the software. 
 
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| 8. | 
 When the serial number check screen is displayed, select your product, enter the 14 digit product serial number (written on the hard drive backplane), and click [submit]. 
 
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| 9. | 
 When the download screen is displayed, click [Save]. 
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| 10. | 
 When the saving screen is displayed, click the [▼] button at [Browse]. 
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| 11. | 
 Select [Desktop] and click [Save]. 
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| 12. | 
 When “Download complete” is displayed, click [Close]. 
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| 13. | 
 Double-click “drivenavi_XXX***” on the Desktop. 
 Notes: 
 
 
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| 14. | 
 When the message “Do you execute this software?” is displayed, click [Run]. 
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| 15. | 
 Confirm the DriveNavi folder has been created on the Desktop. 
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| 16. | 
 DriveNavigator will start. Click [Begin Installation]. 
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| 17. | 
 Click [Additional Software Installation]. 
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| 18. | 
 Check the software you want to install and click [Begin installation]. Installation will start. 
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| 19. | 
 Copy the “DriveNavi” folder which was decompressed onto the Desktop at step 11 into the hard drive. 
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Now DriveNavi.exe has been downloaded completely.
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