Hi Daddle, Thank you so much for so comprehensive answer. I have done all that steps. There is no SDcard left in the card reader. The DVD I removed and checked inside, there is no disc... This error just occurs. My friend said there was no windows update recently. The problem is I can't go to the Boot menu. The keys F8, F10, ESC, Delete, F2 and other does not work. Also, I can't go in the UEFI Bios with the F2 key before starting the PC. I think it is BIOS software problem or some hardware issue... I will give this laptop back to my friend, this job probably for a specialized service I'm Ukrainian, living in Ireland Thank you again, Kind regards, Andrew I'm Ukrainian, living in Ireland
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