Dell Inspiron Desktop 540 system BIOS, 1.0.3

Custom Instructions for S540-103.EXE:

Installation Instructions for the Universal (Windows/ DOS) format

1. Download file to Desktop



2. Use one of the methods below to flash the BIOS.




• Run the BIOS update utility from Windows environment



• Run the BIOS update utility from DOS environment (Non-Windows users)

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Download file to Desktop


The file S540-103.EXE is using the Universal (Windows/ DOS) format and is designed to be directly executed from Windows environment.

1. Click Download now.
   The File Download window appears.



2. Click the Save button.
   The Save As window appears.



3. Select Desktop using the drop-down menu to the right of Save in.



4. Click the Save button.
   A progress meter moves as the download is completed.



5. If necessary, click X in the upper right-hand corner of the Download Progress Window to close it upon completion.

NOTE: Shut down all other applications prior to running the BIOS update utility. The update utility reboots your system in order to get the new BIOS loaded.

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Run the BIOS update utility from Windows environment

1. Double click the Icon on your desktop labeled S540-103.EXE.
   The Update BIOS window appears



2. Click the Update button, BIOS update will begin. Please follow the instructions on the screen to update BIOS step by step.

Run the BIOS update utility from DOS or DRMK environment (Non-Windows users)


NOTE: You will need to provide a bootable DOS or DRMK USB Memory Key. This executable file does not create the DOS or DRMK system files. The free size of the bootable DOS or DRMK USB Memory Key should be larger than 15 Mega Bytes.

1. Copy the file S540-103.EXE to a bootable USB Memory Key.



2. Boot from the USB Memory Key to the DOS or DRMK prompt.



3. Run the file by typing Y:\S540-103.EXE (where y is the drive letter where the executable is located).