Sometimes it goes into the Acer restore and does a complete restore re-setting absolutely everything.
However, it DOES work perfectly anywhere other than in my home or on my drive! This week I have tested this by carrying it with me in my car on various journeys. Wherever I am, it boots perfectly (even in the USA when visiting my son last year - I am in the UK) and is fully functional in every way.
But as soon as I get back on to my drive at home and I turn it on, it crashes.
I wondered whether its was due to a wireless network in my area? I have tried turning off my hub to no avail, and I have tried turning off the Wireless 'button' in set-up, that doesn't help either.
Logically I cannpt think of anything other than some rogue RF problem emanating from somewhere near me, but I am not an expert.
Thank you for your time and interest.