KA350i dead instrument panel and interior lighting [Resolved - Use Legacy Render panel files]
Posted: Wed Jan 06, 2021 1:56 am

I have a dead instrument panel and interior lighting on the KA350i, and interior lighting problems with the 310R, PC-6 and Piper Twin Comanche as well. (B55 and DHC-2 are ok.) PFDs and MFD don’t work, weirdly show magnified portions of the instrument panel. RTU, ESIS and FMS are also inop. Switches on the instrument panel work, (I can start the engines blind) but no lights on the panel, not even press-to-test. No cabin or cockpit lights work either (exterior lights do work). With Avionics Master Power on I can hear fans/gyros but nothing visual.
I’ve been flying the excellent King Air (and other MilViz GA aircraft) for months. After cloning my 1TB HDD to a 1TB SSD about a week ago all appeared to be working well but now this. I have tried multiple uninstall/reinstalls. I’m quite adept at it after keeping up with every beta this year. Uninstalled via Control Panel-Programs and Features. Deleted any remaining folders in C:\Program Files\Lockheed Martin\Prepar3D v4 and C:\Users\.....\AppData. Rebooted computer between each uninstall/reinstall. Disabled anti-virus before reinstalling. Tried a previous version too with the same result. Also removed all other troubled MilViz aircraft and MVAMS as well.
Other aircraft are working fine so I’m hoping to find a solution that doesn’t include completely uninstalling P3D.
Thanks for any advice you might have.
Gerry
P3D version 4.5.14.34698, 64 bit Windows 10, i5-7400 @ 3.00GHz, 16GB RAM, GTX 1060 3GB Video