Updating bios in ubuntu
The first step is to get information about your current system.
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**In case of wrong or unsuccessful flash, the only chance is that your bios chip is not soldered to board and you are able to flash it on another board or eeprom programmer!!
For Dell this is often printed somewhere on the underside in the form of a Service Tag and an Express Service Code.
If this is not easy to read, the information can be obtained in the following way: 1) Install libsmbios: with the key information in the BIOS version, the System ID, the Service Tag, and the Express Service Code.
Armed with the above information, go to the Dell web site and download the appropriate driver(s) for your particular computer.
So far so good, but you will notice that the download is a Windows executable.
***I have used flashrom many times without problem.