yaar ik laptop a oss upper AHCI port0 device error eh error aa reha a start ho janda bt agge ni kuch khulda koi hai solution ess da ya HDD hi new pavauni pau 

pin drive naal.kr skda ya dvd naal hi krni pauBIOS ch jake setting restore karke dekho
First Boot Device CD/DVD ROM try karofer Window di CD pake dekho
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fer First Boot Device Removeable Media karlo![]()
dekhla try karke![]()
kidda krna a testHard Disk check please. HDD not working or RAM have some problem. BIOS vich jaa ke test kar lo.