I have the same issue and have 2 E10 Crawlers we've bought for work and neither of the subs work. I've tried uninstalling/reinstalling all sound drivers, tested everything but nothing works on either. I would imagine this is an ongoing issue for many with similar laptops as the number of open calls with the same issue seem to imply. The subs are not recognised at all and the sound quality is awful without them. A full reinstall does not work and there is no factory reset as such, both of ours were refurbished so don't contain any recovery folders on the drive and there are no drivers on Medions site only advice to say use the windows drivers that are automatically installed when rebuilding/reinstalling. Can someone at Medion please confirm what the drivers for a WORKING E10 Crawler should be inc version number etc and then we can find and test ourselves because I suspect a lot of people are experiencing the same issue but just not reporting it. There is next to no information or follow up on any of the previous discussions for this and similar models and its very frustrating there isn't a straightforward fix to the issue. Thanks,
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