Close all programs. Double-click the .exe file. Follow the on-screen instructions.
On the workbench sat the Frankenstein monster of computers. It was an old Dell OptiPlex 790 SFF, rescued from a corporate e-waste bin, but its guts were exposed. The owner wanted a specific, eccentric upgrade path that required a motherboard swap. Now, a generic motherboard lay in the chassis, distinct by its silkscreen: . dell mih61r mb 100971 bios upd