To update the BIOS for the Dell MIH61R (MB 10097-1) motherboard, you should primarily use the official Dell Support website to find the update specific to your system model, such as the Dell OptiPlex 390 Inspiron 620 Vostro 260 1. Identify Your System Model

Steps:

  • Dell service manual and support articles for the specific system (search by service tag or MB_100971).
  • Intel Management Engine firmware guidance and recovery notes.
  • SPI flashing guides and safety procedures (ESD, power isolation).

Hi,