last year my mom bought a laptop from some sketchy guy and it had windows 7 but it was stuck on the starting windows thing, so he just installed ubuntu on it, but she hates and im trying to install windows again, but i have the same problem, ive tried re installing windows, booting from a disc, even replacing the hard drive, iv'e got nothing left, its just stuck on loading windows, i already did a memory test and a primary hard disk self test, both work, i have Rev. 3.5 bios i think its also InsydeH20, the laptop is a HP pavilion dv5 with a flowery design, Thanks for reading