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I load my dash8 in c&d state. when I switch on the batteries the cabin altitude announces "fault".
When I will power on the APU the announce hangs at "fail".
The external power suply isn't there
The FMC doesn't work
So I installed the update today, not made a flight yet, but power up with battery and GPU, FMC preparation, all without problems. I only had to define the basic settings such as Kg / Ibs, Hpa / Inch and the start state again. Did you load and install the whole thing as admin and with virus protection / firewall off? Did you have the correct version installed before?
I does all as described. Run as admin, no virus, ver 1.20a installed.
I found out this is a random failure. sometimes everything works until open flight plan.
Is there perhaps an innovation that is not compatible with older, saved flight plans? Enter the flight plan again and save it again.
No. I deleted all old plans.
I also uninstalled the complete Dash8. Deleted the directory. Reinstalled ver 1.20 w/o update a and installed update b.
Now I found a "solution". I start with any Dash8. The Dash hangs. Now I load the Dash I want to fly. When the plane is loaded I must wait some seconds until the coursor works in the complete sim (no menu is clickable) and then the plane works normal.
I have exactly the same problem. Manage to power up the aircraft while try to start engine 2...will try your idea today
Attempt to delete any existing/previously saved situations (if you have any saved) with the Q400, especially any of the .mj1 or .mj2 files found in the situation folder of the flight sim.
maybe it helps:
on the mfd display the hydraulic press on sys 3 circles from 34xx to 26xx again and again.
This issue should have been resolved with the v11.020b update