Re: My saves have vanished.
If you are playing your game via origin then one last thing to try?
In Origin go into your game library and right click on your Mass Effect Andromeda and select 'Game Properties'.You will see 3 tab options but there is a tab labelled 'Cloud Storage'". There is an button that says "Restore save". Maybe you'll have some luck with this?
I will warn you though, i've seen a number of posts of late where people have not had luck even with this .. and in some cases some people even reported on this very forum saying they seemed to have someone elses save data? weird.
Either way though, when you feel you are out of options.. surely this is your last hope. I feel for ya :/ I've 'today' backed up all my saves just in case this kind of thing happens to me.. if it happens to more than 2 people, i take heed of such warnings.
Good luck, let me know how you get on.