Ubuntu live cd ekak daala eken boot karala balanna hard eka mount wenawada kiyala...eken mount wenawa kiyanne virus case ekak wennati. Nettam lap eka shutdown karala wena usb port 2.0 ekakata gahala balanna. Ita passe on karanna. BIOS walin detect karanawada kiyala balanna. Win7 thiyenawanam eke...