My PC was running just fine and I decided to restart, for a clean start up, then when I'm back in Windows whenever I tried opening a menu like taskbar menu or start menu, it opened really slowly, so I turned off shadows and effects on menus.
That helped but it's still much slower than before when changing windows by clicking the title bar, if I just click the window it's fine.
The machine was running fine before I restarted, what could have caused this? I did just put in a new second hand graphics card but it was fine before, and seems fine otherwise.
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