Based on current technical documentation and available product archives, the Samsung H61S1

7. How to Enter BIOS on H61S1-Based Laptops

  1. Go to samsung.com and navigate to Support → Manuals & Software.
  2. In the search bar, type H61S1.
  3. Note: You may need to add a prefix (e.g., RSH61S1 or RF-H61S1 depending on your region). If nothing appears, look for the full model number on a sticker inside the fridge door.
  4. Select Manuals. You will see:

    1. Device Overview