Hp probook 4420s gaming

Hi, I am Totan barman.
my laptop 4420s is Graphics not support and brightness fix for not change.......?
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More about probook 4420s gaming
  1. You mean to change your brightness of your screen? It sometimes usually located on the keyboard for some laptops, or you can change them in the windows control panel. If you don't have windows then open something similar than a control panel.
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