Do you mean DOS or an NT command prompt? AFAIK, most BIOS updates are done in either DOS or GUI Windows. A command prompt only NT is a bit tricky, and not very useful anyway. A DOS booting USB stick ...
How-To Geek on MSN
How to set up a perfect “rescue USB” that can save any PC
Saving a PC can go from very hard to extremely easy once you set this up.
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