PS< I am now using the other Aspire E5-511-POBM that I bought at the same time for family in The Netherlands, PERFECTLY with the apart keyboard and mouse, I have had a reply off Acer with an "Escalations complaints" address so I have written to them asking if they are prepared as a gesture of goodwill to examine and repair this little used laptop which I hope Acer will agree that for such a fault to develop after only 2.5 years falls well short of the expectations of the "reasonable life expectany of ANY electrical product, especially an Acer product!!" though I suppose legally they wont be much interested. I am interested to try the Bios option in fruitbat's message when I get back, will this be easy to do? I do find it very strange that the mini usb fan still works on all the USB ports but the programme for checking what USB ports have been used and when brings up absolutely nothing, there MUST be the possibility of still connecting a usb mosue and keyboard if the fans are working?? After all we achieved with the laptops not working on wifi and other things I just have a feeling that this MUST be fixable but its like a needle in a haystack, thanks laptopdunce
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