Some RV509 models have a brief “Press F2 to enter Setup” text at the bottom-left corner during the POST (Power-On Self-Test). If you see that, press F2 immediately.
However, simply pressing F2 once usually won't work. On Samsung laptops, the window of opportunity to enter the BIOS is extremely short. You must be precise with your timing. samsung rv509 bios key
For older operating systems, ensure Legacy USB Support is enabled in the Advanced menu. Some RV509 models have a brief “Press F2
The primary key to enter the BIOS on a Samsung RV509 is . press F2 immediately. However