Oh, this is mad... I really hope my experience helps at least one person.

It turns out that I was using the wrong power adapter... i.e. the power adapter from my previous machine, a Dell Precision...

thanks for the quick reply.

I don't have anything else attached... and the problem is that the lag occurs when using the *laptop screen*, i.e. the laptop alone: when using the docking port and...

Dear all,

I have a Dell Precision laptop (M4800) with 16 GB RAM and a big SSD.

I have been struggling for ages with this bleeping w10 and have got to a stage where it does actually run very...