@daddle Thank you for your reply, it is appreciated. No, I did not turn off with FN/F4 - I have now tried this without any change. I have also followed your instructions using the drivers on D:\ and unfortunately, there was no improvement on reboot. Does this now leave only the ribbon as a possible cause? If so, are there any instructions / videos on removing the back cover, battery and checking the ribbon connection? Thank you Paulmmc
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