Default Instructions for R52401.EXE:

 Follow these steps to install.
1. In the File Download window select "Save this program to disk" and 
click OK
2. In the Save As window save the zipPack file to a known directory.
3. Navigate to the directory and Double-click on the ZipPack file you just 
downloaded.
4. Follow the instruction to unzip all files successful.
5. Close the Download windows and any other applications that are open
6. Access to directory "C:\dell\drivers\R52401", and execute the 
NR91109B.exe files.
7. Follow the instruction until flash process has been completed 
successfully.
 *** Make sure that there are no power interruptions during the flash 
process***