Bhaijan Mara pass P4 System hain...

Usmain masla ye hain k jo main apna computer On Karta ho.to wo On Ho jata hain lakin wellcome screen k ana se pahlay wo ruk jata hain...main na bar bar uska window change keya hain ..lakin uska bawajood be yahi masla ata hian...Plz help Me About that Problem..