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Hi ,
this is a question regarding the 3DR ublox lea6 GPS:
after trying out several things with no success I hope for help from this honorable forum and the experienced members.

About 11 weeks ago I purchased the APM 2.5 FC board and the GPS brand new and original.
The first times I connected and run the boards together via USB on the desk to learn about the
(new to me) functions it worked fine! The MP and Firmware installed perfect and the GPS
found satellites in a few seconds.
Because of time issues I had to leave the boards for about 2 months in the drawer.

Now - restarting with my 'hexa' project I face this problem:
As I found new updates, I download the recent MP(1.2.20) and after connecting the boards
again via USB to the PC - also updated the firmware to Arducopter v.2.8.1 hexa.

And from now on, the GPS won't find and fix satellites anymore !
The red led on the GPS is solid even after 2 hours connected.
The setup, conditions and location is exactly the same as 8 weeks before (when it worked fine the first times).

Any ideas what is going on? What mistake I've made?
The APM 2.5 and GPS was kept connected together with the cable in the drawer. Did this erase something from the GPS?

Please, if someboby read through this lines and could lead me to resolve this GPS issue- would be great because I'm really stuck.

I already reverted back and forth to older versions, uninstalled and reinstalled the MP and let the board connected a long time in case the little back up battery needs a recharge but no way - can't get a GPS fix  =(

Any help is appreciated, thanks!