I have a problem with my dell laptop I bought is last year July and I came with windows 7 and I upgraded I to windows 10. starting this year it will make some sort of clicking sound for about 2minutes, that the screen will freeze after that I switches off. when it tries to switch on again, it there is a invalid partition table, than it says no boot device found. when I try to reboot it I fails than tells me I have no hard drive. I sent I to a technician but he couldn't find any problem and he didn't hear the sound it makes. yesterday I reset my laptop thinking that it something I installed. the clicking sound came back and it still says he same thing when I switches itself off. I don't know what o do now, if anyone has a clue , please help.
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