HP 8460

My laptop HP 8460 don't go to the homepage when I press the 'home page' button and it dispalays the message:

QBL controller does not, the search for a solution", but nothing happens. Also when I press the power button, the sound gets dumb but ddoes soundbar does not appear on the screen.

My OS is Win7 pro [content deleted] and HP drivers have been loaded from a repair HP disc.

Everything else works fine

Thank you for this

Tags: Notebooks

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