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A User's Laptop Screen Is Extremely Dim. A Technician Attempts To Alter The Brightness Using Function Keys And The Bios - But The Screen Never Changes In Brightness. Which Of The Following Is Most Likely The Cause?

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A User's Laptop Screen Is Extremely Dim. A Technician Attempts To Alter The Brightness Using Function Keys And The Bios - But The Screen Never Changes In Brightness. Which Of The Following Is Most Likely The Cause?






 
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