hello, my hp laptop which had windows 8 operating system is updated to windows 8.1. again it was recovered to windows 8. since then my functional keys are not working and many of the apps like microsoft got disappeared. help me plz
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hello, my hp laptop which had windows 8 operating system is updated to windows 8.1. again it was recovered to windows 8. since then my functional keys are not working and many of the apps like microsoft got disappeared. help me plz