Hi. I have Optiplex 390 and the bios chip is bad. What I want to do is: download the bios from dell website and extract the bios, then use the programmer to program to the new chip. the problem are: this bios is UEFI bios, I can not extract from Phoenix tool, not even with dos command "-writehdrfile, -writeromfile or -writebinfile" does any one know how to extrac this type of bios? here is bios link: http://www.dell.com/support/drivers/us/en/19/Product/optiplex-390?s=dhs thank you.