daknetworks.com

Here's how to upgrade the bios for Dell Latitude/Precision laptop if from remote:

• -download the new bios
• -cd c:\path-to-the-download
• -click START > RUN > CMD
• -type: c:\drivers\bios\Latitude_5X80_Precision_3520_1.9.3.exe /s /r
  "/s" is silent "/r" is reboot
• "/f" is force if the battery is not present.

And if the battery is not present in the Dell Latitude/Precision laptop:

• -type: c:\drivers\bios\Latitude_5X80_Precision_3520_1.9.3.exe /forceit
  "/forceit" is force if the battery is not present.