User Manuals

How to Update BIOS under DOS Mode

Follow this step-by-step guide to update BIOS under DOS Mode on Qotom Mini PC. Boot from USB via F7/F11 boot menu, enter DOS interface and run the command F to initiate BIOS firmware flashing. Remember not to cut power during the upgrade.

Step-by-Step Operation

  1. Power on the mini PC. Press F11 or F7 repeatedly during startup to bring up the boot menu, then select the bootable USB drive.

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  2. The device will boot and enter the DOS interface automatically.

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  3. Type the letter F, press the Enter key to start the BIOS refresh procedure.

Warning: Do NOT disconnect power during BIOS flashing. Power loss may damage the firmware and render the mini PC unbootable.