Hard disk problem Pleas help

[Ranamujib]

dosto mere pas 80 Gb ki hardisk hai mein usy jb bhe apne computer k sath lgata hu to computer hang ho jata hai boot menu bhe nhe open hota lekn jb mein apne new had lgata hu to wo properly work krta hai .
mein ny ram new lgaye hai or hai jb bhe mein new wale 80gb ke use krta hu to computer bilkul thek chalta hai koi bhe problem face nhe krna hote

Experts ye special requst ap k ly hai pleas help kr do

[alizzz]

apki jo 80 gb ki hard drive hai us main problem hai ho sakta hai k us main viruse ho?? and ap us 80 GB wali drive ko format karein apna important data nikaal k phir dekhein k wo theek hote hai ya nahi