Additional Steps Taken
- Disabled hardware acceleration in Firefox - This seems to max-out the GPU less however I'm not confident from ROG Gamers readings. GPU is only at 30% the very highest I've seen it at 3.57 GHz so this machine is nowhere near breaking a sweat yet;
- Installed Startech USB Driver - NO IMPROVEMENT, does not want to select it as a driver and uses the Windows Driver!;
- Followed the below article - Steps in greater detail below - NO IMPROVEMENT!;
http://www.tomsguide.com/answers/id-2201909/mouse-lags-freezes-streaming-videos.html and found nothing (good really as no Malware) until I was up to the stage of SlimDrivers which noticed half a dozen out of date drivers; mostly NVDIA which was good news.
I upgraded, restarted and haven't seen much of an improvement. The ROG GPU readings sometimes seem better (probably because the Graphics Card isn't being used to accelerate Firefox now) but Netflix is unwatchable still. Still getting intermittent bad typing, working with files seems a bit better; but this high-end machine should be zinging!
I've also noticed my mouse is failing more, I'm clicking and dragging sometimes and it's not registering sometimes.
The article seems a bit faltered towards the end 'y
ou can remove the video drivers, download Driver Fusion or 3DGuru's Driver Sweeper to really remove Nvidia components, reboot and you will be in VGA mode, then download and reinstall the latest drivers.' Treexy Driver Fusion Free was showing 63 Registry Entries, I clicked on clean and it now shows 113 entries and advises need to upgrade to premium - stay away from Treexy Driver Fusion Free!
Asus website has a new 310 BIOS though I'd rather not delve into that serious stuff yet as I've been away from Windows a long time and things have changed a lot and I'm out of my depth.