check drive error cannot check/format system disk (6)

Ok its been one week and the data base keeps crashing this is the 5th time this year in 7 months, So am put charge of it now, i don’t know if the hardware is bad more or less I think it is,

So I went to the try to find a scandisk in the software and found it and i get a error message “check drive error cannot check/format system disk (6)”

So next question how much does it cost to get new memory or ie harddrive for this thing RB433AH,

What should i do Keep it Ez please.