That means any motherboard you buy will be USED, having been taken from another PC. Those often do not work, or have internal problems that the seller does not disclose. So you spend a lot of time disassembling your laptop -- a very risky thing to do -- putting in the replacement motherboard, and then reassembling your laptop only to NOT have it work!
Also, the licensed Windows version that came preloaded on your laptop is an HP OEM Version -- and that license is tied to the original motherboard, not to the PC owner. When you toss away that motherboard, you toss away the license -- and HP will not provide you a second license. Since the versions of Windows you can buy will not activate with the embedded HP OEM license, you will have to buy a Retail version of Windows, and a license to go with it. You will then have to replace the installed Windows version on your laptop with the version you bought and license it. We are not able to assist in any of that work.
The bottom line is the process is a lot more difficult than simply swapping one part for another.
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