I TRIED MOST OF ABOVE IDEAS ...STILL NOT GOOD .
SO I NEED TO FORMAT IT ..
I NEED STEPS TO FORMAT MY WHOLE COMPUTER ..
AND I HAVE LOTS OF STUFF FILES ,PHOTOS ...WHERE TO SAVE ALL THOSE .??


MY COMPUTER SPECIFICATIONS --




WINDOW VISTA ULTIMATE
COMPUTER -SONY
PROCESSOR ---intel (R) CORE(TM)2 CPU T5500 @1.66 GHZ

MEMORY RAM --1014
SYSTEM TYPE -32 BIT OPERATING SYSTEM