How can I start my computer in DOS?

Last Update date : Jan 21. 2026

Important Note: The information on this page is for Hong Kong products only. Models, sequences or settings will vary depending on location and/or where the product had been purchased. To be redirected to your local support page please click here.

To start the computer in DOS via a USB device:

 

1. Turn on the computer.

2. Before the Samsung logo appears, press the F2 key several times.

3. Select the Boot menu.

4. Set Fast BIOS Mode to Off.

5. Set Secure boot Control to Off.

6. Set OS Mode Selection to CSM mode and then restart the computer. 

If the above information does not match what your product is showing, you may check the User Manual for your product. If you are unable to solve the problem, please contact us for further assistance.

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