Look at the other answers first. Read no further unless you have time to burn. Other answers posted to this question may work with older hardware, but I posted this after my experience of upgrading the BIOS of a Dell Inspiron vintage Checking dates on unofficial Dell support web sites suggests that this may also apply to other Dell models since or even earlier.
The first step is to get information about your current system. If this is not easy to read, the information can be obtained in the following way: 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. This is in spite of anything it may say on the download page about being compatible with earlier versions of Windows; using any legacy DOS-type environment the. So, here comes the fun bit: And how do we do that on a single-boot Ubuntu machine or even a computer running legacy Windows, like XP? The key ingredient at this point is a Windows 7 Repair Disk. There are several ways to obtain one, including buying one from sources on the internet, or making friends with someone who has a Windows 7 computer.
If you are lucky your computer manufacturer bundled one with your box. I chose to make one on my Ubuntu machine, using a copy of Windows 7 running in VirtualBox, adapting the instructions for making a rescue disk from this web site. The good news is that it does not seem to matter which version of Windows 7 the Repair Disk is obtained from. Since this is a BIOS upgrade it does not even matter whether you use bit or bit versions if your computer is bit.
Once you have a Windows 7 Repair Disk, the rest is easy. Here are the steps: Put the downloaded BIOS upgrade. Reboot you computer from the Windows 7 Repair Disk, hit the Space bar when prompted.
Navigate to the command prompt. Find the correct drive letter for your USB on the command line dir a: Navigate to it on the command line type the drive letter with colon. Run the file by typing its name note tab auto-completion works: From there, just follow the on-screen instructions, and make sure your computer stays powered-on while the upgrade completes.
Note there are TWO automatic reboots before you get back to your Ubuntu startup screen.