Hi DreamPilot.

I always switch the IRS from OFF to NAV. I leave it on ALIGN, except by accident, in which case I will turn it OFF then turn it directly to NAV.

The instructions in my other Boeing aircraft, fitted with an FMC and IRS, say to turn the switch from OFF straight to NAV without stopping on ALIGN. So that's exactly what I do for all of my Boeing aircraft fitted with an FMC and IRS, including the Captain Sim 767 and 757.

Give it a try and see if that helps.

Also. For my default Flight, I use the FSX default Cessna C172 with everything turned off except the Avionics Master Switch (cold-n-dark).

Mark