I tried to replace the sata drive in my Pavillion a1330n with an eide drive from a dell PC. Although it is detected in cmos setup, winows will not load as I get a warning screen that windows was stopped from loading yada yada yada...I'm sure the hard drive is fine. Would resetting the cmos help?
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When Windows is installed on a computer, it assigns 'codecs', to major hardware components inside the computer. Processor, Motherboard, (Specifically the BIOS program, and version), Harddrive, and graphics engine used. (Integrated, or a graphics card) Change any two major hardware components, and Windows will throw up a red flag. This is a security feature Microsoft implemented, to dissuade theft of their Operating Systems. Microsoft Users License states 'One Genuine copy of Windows per One Computer' You just changed Three major components. Processor, Motherboard, and Graphics. Plus the BIOS on the Pavilion a1330n, is set to look at a SATA controller that has the Operating System. (Looking for a Sata harddrive, and not an Enhanced IDE harddrive, simply put) Do you have a Full Installation disk of Windows? The Restoration Disk won't do it.
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