Re: how to re-install a harddrive ??
Yes jsut buy a laptop specific hard drive then boot with a Windows CD in the tray. Make sure you have a serial for it as well. Dont want to pirate it.
To install could be difficult depending on where the hard drive is located in that specific laptop. Some of the older ones i worked on you had to remove the display and keyboard in order to get to the hard drive area. Some are not like that. Each laptop is different.
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Phone: LG Optimus G Pro
Running: Stock JB from LG with Nova Launcher