Samsung B75s1 Bios May 2026

The B75s1 BIOS is "locked" to prevent user interference that could destabilize the AIO form factor.

Restart the PC and press F2 (or Del – see Section 5) during POST. The BIOS main screen shows the version number in the top-right corner.

Samsung utilizes a proprietary overlay often referred to as "Easy Settings" or "BIOS Setup Utility."

Standard method:

Alternate keys: F4, ESC, or F12 (for boot menu only).

If F2 doesn’t work, try:

Q: My B75s1 won’t boot from USB – what’s wrong?
A: Disable “Secure Boot” (if present) and enable “Legacy USB Support”. Also try different USB 2.0 ports. Samsung B75s1 Bios

Q: Does the B75s1 support NVMe?
A: No – the chipset is Intel B75 (PCIe 2.0 x1 on some slots). You cannot boot from NVMe without a modified BIOS.

Q: How do I clear the BIOS password?
A: Short the JCMOS1 jumper (if present) or remove the CMOS battery and main battery for 30 minutes.

Q: Can I update from a 32-bit to 64-bit UEFI?
A: Not without a full motherboard swap. The B75s1 is strictly legacy BIOS or hybrid UEFI (depends on the OEM version). The B75s1 BIOS is "locked" to prevent user

Boot device not recognized / OS won’t boot after mode change:

USB keyboard/mouse not working in BIOS:

Overheating/fan control limited:

Windows 10/11 (if forced onto unsupported hardware) or Linux distributions using UEFI might fail to boot. A newer BIOS can improve UEFI boot compatibility with GPT drives.

If you need to boot from a USB drive to install a new operating system or run diagnostics: