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‎04-20-2025 01:50 AM

HP Recommended
Product: HP ProBook 645 G4 Notebook PC IDS Base Model
Operating System: Microsoft Windows 10 (64-bit)

hlo , i own a hp probook 645 g4 laptop 

it has backlight option on f9 button ,

but my laptops backlight dosent turn on any time i try to on it,

please help me .

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