I’ve been trying out Elementary’s linux distribution Freya on my Dell E7440 for a while and whilst generally it’s been working pretty well, I’d have occasional issues with flickering, black screens and so on.

Elementary Screenshot

Elementary Screenshot

It seemed likely that it was a graphics issue and I’d tried various fixes from around the Internet without success – until yesterday! I found this suggested fix at reddit which seems to have solved it – now been running for 2 or 3 days without any graphics issues.

The suggested fix is below: