Mere pas Hp-D530 ha tower ma. problem ye ha k win xp sp2 & win 7 koi bhe window install nhi ho rhi. Xp install kron tu first time boot ho jata ha aur phr drive format aur window copy bhe ho jati ha but jab copy hone k baad pc restart hota ha tu setup start nhi hota ( press any key to boot from cd/dvd )pe stuck ho jata ha. agr win 7 kron tu window hone k baad pc restart hota ha tu blank screen aati ha.