Press F2 at boot to enter the BIOS and note your current "System BIOS" and "EC Firmware" versions. 📂 Step 1: Locating the Correct Firmware
Clevo does not maintain a central, public-facing driver portal for end-users. You must source your files from the company that sold you the laptop (the "Reseller").
CLEVO SI’s have a mixed policy. Sager allows downgrades via DOS flasher; XMG blocks downgrades after certain versions to prevent EC mismatches. clevo laptop bios update
Newer microcode updates (e.g., Intel 13th-gen) often lock FIVR control. Solution? Downgrade microcode via a modded BIOS or use ru.efi to modify MSR 0x150. This voids your warranty.
Ensure the laptop is plugged into a reliable power source. A power failure during the flash can "brick" the motherboard, rendering the system unbootable. Flashing the BIOS: Press F2 at boot to enter the BIOS
| Step | Action | |------|--------| | 1 | Download P750ZM_BIOS_1.05.08.zip from Sager support. | | 2 | Extract to USB FAT32. | | 3 | Boot EFI Shell → fs0: → nsup.nsh . | | 4 | Wait 2–3 minutes – fan may run at full speed. | | 5 | System reboots automatically. | | 6 | Load defaults in BIOS. |
Most recent Clevo models (from ~2016 onward) support one of three flashing methods. CLEVO SI’s have a mixed policy
Used for newer XMG or high-end Clevo models. Requires copying files to a FAT32 USB, booting into the UEFI Shell, and running Flash.nsh .