i dont i don't really understand what you mean by a regular windows 7 disc. from what i know, the one i'm using is the regular one. it's the windows 7 home premium 64-bit reinstallation dvd that came with the laptop.
i had to reinstall my windows 7 64x dell inspiron 1750 laptop using my windws 7 home premium disc that came with my laptop when i bought it because it was in a constant starup repair loop. the disc worked find until i got to the part where it said "expanding windows files." it was stuck at 0%...