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 ...
If your USB drive is being shown as two separate drives on your Windows PC, follow the below methods to fix the issue: Use some basic troubleshooting tips Run the Hardware and Device Troubleshooter ...
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