Hi
Download the latest BIOS of dell dimentions 4700 and follow the mention below instrction to update.
Run the BIOS update utility from Windows environment
The Dell BIOS Flash window appears
The message Pressing OK will close all applications, shut down Windows, Flash the BIOS, then reboot. appears.
The system will restart and the BIOS Flash will be completed.
Run the BIOS update utility from DOS environment (Non-Windows users)
NOTE: You will need to provide a bootable DOS diskette. This executable file does not create the DOS system files.
Start computer with tapping f2 key, you will be directed to bios screen
and there you will get an option to default bios
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