vaio f

I have read people saying you can't upgrade laptop hardware and that isn't entirely correct. On my Dell Inspiron 1525, I've replaced the CPU several times. A couple of other Asus laptops I've upgraded CPUs as well. All worked better than the original equipment. Every time I try a different...

I have Sony VAIO Laptop Model SVF15218SNW. The problem is that sometimes the laptop boots and functions normally and sometimes it doesn't boot at all. From the last few days, the laptop when powered up boots for 2-3 seconds and then instantly switches off with a clicking sound probably coming...