After a successful BIOS update to version A22, disable "Secure Boot" and enable "Legacy Option ROMs" if you are using older graphics cards or operating systems like Windows 7. Keywords used: dell mih61r mb 100971 bios upd, Dell Optiplex 3010 BIOS, MIH61R update, 100971 motherboard flash, H61 BIOS recovery.
Do not update the BIOS if your PC is working perfectly. Only update to fix a specific problem or enable a new CPU. Step-by-Step: How to Update the Dell MIH61R BIOS There are two safe methods. Method 1 is for a working Windows installation. Method 2 is for a dead PC. Method 1: Windows-based Update (Easy/Recommended) This is the official Dell method. dell mih61r mb 100971 bios upd
A second PC, a USB flash drive (2GB or larger), and the BIOS .exe file. After a successful BIOS update to version A22,
A: The H61 chipset is limited to PCIe 2.0. A BIOS update will not change hardware limitations. Only update to fix a specific problem or enable a new CPU
A: No. The -01 or -02 indicates a minor PCB revision. The same BIOS file works across all 100971 variants.