Steam Machines with the ‘Red Line of Death’ get a simple, official cure: Clear the CMOS — clearing the CMOS can revive flat(red)-lining cubes from Latest from Tom's Hardware on 2026-07-07 12:55 (#76TJV) Valve's official account on Reddit has responded to RLOD victims with simple step-by-step instructions to get any affected Steam Machine up and running again.