sabhi experts se guzarish hai ke mujhe koi bataye ke hamare system mein driver kitne hote hai aur unhe kaise install kiya jata hai.mujhe koi ye batae ke hum apne system ko formate kar ke (aisa ke us mein kuchh bhi baki narahe bilkul nae sire se sab install karna)xp/vista,drivers,sound card,graphic card ect. install karna.bios set up karna.step by step koi batae badi maherbani hogi.