hard disk problem

[chaitanya1999]

hi..i am from india...i own a acer aspire 3830T,intel core i5,windows 8 instlalled in it when i am working on my laptop the screen suddenly came into blue background and shutted down itself..and when i try to start my laptop its not even starting..i bought my laptop 1 year ago..the same problem once occured before 5 months..i gave my laptop to a computer reapair technician and he said that it is a hard disk problem and a new hard disk should be installed in it.he done so.and again now same problem repeats.please tell me a solution for this..and what the problem is..how much the 500gb intel i5 hard disk cost?

 

[C12Friedman]

Welcome to Tom's Hardware Forums,
When you attempt to turn on the computer, is there a sequence of lights that blink or light up?

 

[bluhefner]

Does by any chance bios start up?

 

[Brett928S2]

Hi

Run a hard drive test in DOS... HIRENS BOOT CD etc, it sounds like a failing hard drive...

All the best Brett